observatory.nvim

One sample per scheme, highlighted by Neovim itself with a language server attached and exported straight from the buffer, so the captures, the annotations and the italics and bold are the ones the scheme actually paints rather than a renderer's guess at them.

Sky

observatory-aurora — observatory-aurora the green aurora, on its own night sky
from a measured quantity · 12.5 ΔE floor · 9 accents over 200°

observatory-aurora-red — observatory-aurora-red the rare all-red aurora, green demoted to an accent
from a measured quantity · 12.0 ΔE floor · 8 accents over 232°

observatory-comet — observatory-comet two tails, two hue families, nothing in between
from a measured quantity · 10.7 ΔE floor · 7 accents over 197°

observatory-eclipse — observatory-eclipse the corona, almost colorless, with one ruby line
from a measured quantity · 11.4 ΔE floor · 8 accents over 194°

observatory-hubble — observatory-hubble the Hubble palette, which lands on the corners of the RGB cube
from a measured quantity · 13.5 ΔE floor · 8 accents over 300°

observatory-nacreous — observatory-nacreous iridescent ice at 20 km, and the only pastel here
from a measured quantity · 12.4 ΔE floor · 6 accents over 229°

observatory-nightsky — observatory-nightsky star colors by spectral class, on a deep blue sky
from a measured quantity · 10.7 ΔE floor · 7 accents over 170°

observatory-noctilucent — observatory-noctilucent sunlight that has already gone below the horizon, seen from 83 km
from a measured quantity · 21.3 ΔE floor · 6 accents over 204°

Solar system

observatory-mercury — observatory-mercury the enhanced-color globe: tan crust, blue minerals, gold plains
from an image · 9.5 ΔE floor · 8 accents over 234°

observatory-mercury-computed — observatory-mercury-computed the grayest planet, mapped by reflectance unit
from a measured quantity · 11.3 ΔE floor · 8 accents over 197°

observatory-venus — observatory-venus cream cloud in every direction, and nothing else
from an image · 10.1 ΔE floor · 4 accents over 170°

observatory-venus-computed — observatory-venus-computed the cloud deck above, the surface nobody sees below
from a measured quantity · 15.5 ΔE floor · 8 accents over 143°

observatory-earth — observatory-earth ocean, vegetation, desert, ice
from an image · 9.6 ΔE floor · 6 accents over 182°

observatory-earth-computed — observatory-earth-computed the only world that needs no help finding colors
from a measured quantity · 11.6 ΔE floor · 9 accents over 196°

observatory-luna — observatory-luna the full moon: five grays and a warm cast
from an image · 11.1 ΔE floor · 4 accents over 60°

observatory-luna-computed — observatory-luna-computed gray, until you stretch it
from a measured quantity · 12.0 ΔE floor · 8 accents over 198°

observatory-mars — observatory-mars rust, dust and one bright polar cap
from an image · 16.5 ΔE floor · 5 accents over 177°

observatory-mars-computed — observatory-mars-computed rust, with the blue its sunsets actually are
from a measured quantity · 14.4 ΔE floor · 8 accents over 205°

observatory-jupiter — observatory-jupiter zones, belts and the Great Red Spot
from an image · 17.3 ΔE floor · 5 accents over 185°

observatory-jupiter-computed — observatory-jupiter-computed zones, belts, the red spot and the blue poles
from a measured quantity · 12.0 ΔE floor · 8 accents over 186°

observatory-io — observatory-io sulfur, ochre and frost, and no blue anywhere
from an image · 17.7 ΔE floor · 6 accents over 18°

observatory-io-computed — observatory-io-computed sulfur yellow, with frost as the only cool thing on it
from a measured quantity · 11.5 ΔE floor · 7 accents over 193°

observatory-europa — observatory-europa ice, and the rust-brown cracks across it
from an image · 17.2 ΔE floor · 5 accents over 44°

observatory-europa-computed — observatory-europa-computed water ice, and whatever the ocean brought up
from a measured quantity · 11.0 ΔE floor · 8 accents over 194°

observatory-ganymede — observatory-ganymede grooved terrain in tan, and the frost at its poles
from an image · 16.7 ΔE floor · 4 accents over 16°

observatory-ganymede-computed — observatory-ganymede-computed grooved ice over ancient rock
from a measured quantity · 14.3 ΔE floor · 8 accents over 190°

observatory-callisto — observatory-callisto the most cratered surface known, in dark tan
from an image · 18.5 ΔE floor · 6 accents over 156°

observatory-callisto-computed — observatory-callisto-computed the oldest surface, and the least to say about it
from a measured quantity · 17.5 ΔE floor · 6 accents over 188°

observatory-saturn — observatory-saturn pale gold, with the rings' shadow laid across it
from an image · 17.2 ΔE floor · 4 accents over 12°

observatory-saturn-computed — observatory-saturn-computed butterscotch, with the blue winter hemisphere
from a measured quantity · 11.8 ΔE floor · 8 accents over 196°

observatory-titan — observatory-titan a hazy orange orb, which is all anyone sees from outside
from an image · 16.9 ΔE floor · 4 accents over 142°

observatory-titan-computed — observatory-titan-computed an orange monochrome; the haze admits nothing else
from a measured quantity · 10.7 ΔE floor · 7 accents over 31°

observatory-enceladus — observatory-enceladus white ice, and the fractures that vent it
from an image · 11.6 ΔE floor · 4 accents over 195°

observatory-enceladus-computed — observatory-enceladus-computed the brightest surface in the solar system
from a measured quantity · 14.1 ΔE floor · 8 accents over 28°

observatory-iapetus — observatory-iapetus two-tone: snow on one face, tar on the other
from an image · 17.1 ΔE floor · 6 accents over 141°

observatory-iapetus-computed — observatory-iapetus-computed two hemispheres, and nothing in between
from a measured quantity · 15.2 ΔE floor · 7 accents over 198°

observatory-uranus — observatory-uranus featureless pale cyan, and that is the observation
from an image · 16.2 ΔE floor · 4 accents over 40°

observatory-uranus-computed — observatory-uranus-computed the most featureless palette here, and honestly so
from a measured quantity · 13.2 ΔE floor · 7 accents over 14°

observatory-neptune — observatory-neptune azure, a shade deeper than Uranus and no bluer
from an image · 10.4 ΔE floor · 4 accents over 3°

observatory-neptune-computed — observatory-neptune-computed the iconic blue, which is not quite the real one
from a measured quantity · 11.4 ΔE floor · 8 accents over 54°

observatory-triton — observatory-triton cantaloupe terrain under a pink nitrogen cap
from an image · 8.5 ΔE floor · 4 accents over 169°

observatory-triton-computed — observatory-triton-computed cantaloupe terrain and pink nitrogen frost
from a measured quantity · 12.9 ΔE floor · 8 accents over 176°

observatory-pluto — observatory-pluto the heart, in cream and tholin tan
from an image · 18.1 ΔE floor · 4 accents over 4°

observatory-pluto-computed — observatory-pluto-computed nitrogen ice, tholin red, and a blue sky
from a measured quantity · 16.2 ΔE floor · 8 accents over 192°

observatory-charon — observatory-charon gray ice, and one red-brown pole
from an image · 9.8 ΔE floor · 5 accents over 162°

observatory-charon-computed — observatory-charon-computed Pluto's tholins, arrived second-hand
from a measured quantity · 14.7 ΔE floor · 8 accents over 190°

observatory-ceres — observatory-ceres blue-gray regolith around one bright crater
from an image · 15.8 ΔE floor · 4 accents over 130°

observatory-ceres-computed — observatory-ceres-computed bright salt on a very dark world
from a measured quantity · 18.0 ΔE floor · 8 accents over 196°

observatory-rings — observatory-rings a scan across the annuli, unlit side
from an image · 18.2 ΔE floor · 4 accents over 127°

observatory-arrokoth — observatory-arrokoth the reddest thing photographed up close
from an image · 8.1 ΔE floor · 4 accents over 3°

Stars

observatory-albireo — observatory-albireo the color-contrast doubles, and the green that isn't
from a measured quantity · 18.8 ΔE floor · 7 accents over 167°

observatory-alphacentauri — observatory-alphacentauri the nearest three stars, and one flare
from a measured quantity · 16.9 ΔE floor · 5 accents over 168°

observatory-betelgeuse — observatory-betelgeuse a resolved supergiant, mid-dimming, in amber
from an image · 9.8 ΔE floor · 7 accents over 37°

observatory-betelgeuse-computed — observatory-betelgeuse-computed a supergiant, and the dust that dimmed it
from a measured quantity · 17.8 ΔE floor · 6 accents over 2°

observatory-nervia — observatory-nervia the star Eburonia orbits, which is very nearly the Sun
from an image · 17.0 ΔE floor · 5 accents over 2°

observatory-nervia-computed — observatory-nervia-computed the star Eburonia orbits, by its own temperatures
from a measured quantity · 12.3 ΔE floor · 8 accents over 97°

observatory-carbon — observatory-carbon the reddest stars there are, in purity not hue
from a measured quantity · 16.5 ΔE floor · 6 accents over 6°

observatory-cepheid — observatory-cepheid a light curve, and no color to speak of
from a measured quantity · 15.4 ΔE floor · 5 accents over 3°

observatory-etacarinae — observatory-etacarinae two lobes of debris from a star that survived its own explosion
from an image · 16.1 ΔE floor · 6 accents over 104°

observatory-etacarinae-computed — observatory-etacarinae-computed the Homunculus, and the star inside it
from a measured quantity · 20.7 ΔE floor · 7 accents over 185°

observatory-magnitude — observatory-magnitude the eight brightest stars, with Vega at zero
from a measured quantity · 15.8 ΔE floor · 8 accents over 171°

observatory-sirius — observatory-sirius brighter is cooler, for once
from a measured quantity · 11.2 ΔE floor · 6 accents over 3°

observatory-v838monocerotis — observatory-v838monocerotis a light echo, which is not an explosion but its shadow on dust
from an image · 16.9 ΔE floor · 8 accents over 180°

observatory-v838monocerotis-computed — observatory-v838monocerotis-computed one flash, seen at four delays
from a measured quantity · 16.3 ΔE floor · 7 accents over 192°

observatory-boyajian — observatory-boyajian a dip in a light curve, measured filter by filter
from a measured quantity · 18.7 ΔE floor · 5 accents over 230°

observatory-przybylski — observatory-przybylski a spectrum full of elements that should not be there
from a measured quantity · 28.3 ΔE floor · 9 accents over 282°

observatory-ss433 — observatory-ss433 one line, two jets, and the half that is invisible
from a measured quantity · 21.3 ΔE floor · 7 accents over 202°

observatory-browndwarf — observatory-browndwarf not a star, not a planet: a red monochrome
from an image · 15.8 ΔE floor · 7 accents over 101°

observatory-browndwarf-computed — observatory-browndwarf-computed the failed stars, and the one honest purple here
from a measured quantity · 17.5 ΔE floor · 6 accents over 145°

observatory-wolfrayet — observatory-wolfrayet a star shedding itself, in plum and steel
from an image · 16.2 ΔE floor · 6 accents over 144°

observatory-wolfrayet-computed — observatory-wolfrayet-computed the hottest stars there are, and none of it is the continuum
from a measured quantity · 15.7 ΔE floor · 7 accents over 225°

observatory-crux — observatory-crux the Southern Cross, which is three quarters one color
from a measured quantity · 20.5 ΔE floor · 5 accents over 174°

observatory-arcturus — observatory-arcturus the reference K giant, and the gaps in its light
from a measured quantity · 17.5 ΔE floor · 8 accents over 216°

observatory-vega — observatory-vega the star everything else is measured against
from a measured quantity · 17.1 ΔE floor · 6 accents over 220°

observatory-rigel — observatory-rigel a blue supergiant, and the dust it lights
from a measured quantity · 16.7 ΔE floor · 7 accents over 198°

observatory-deneb — observatory-deneb one line, in emission and in absorption
from a measured quantity · 13.9 ΔE floor · 7 accents over 250°

observatory-mira — observatory-mira the first variable, and the band that exaggerates it
from a measured quantity · 22.6 ΔE floor · 7 accents over 178°

observatory-bluedwarf — observatory-bluedwarf a red dwarf's whole future, in six steps
from a measured quantity · 19.0 ΔE floor · 7 accents over 184°

observatory-cooling — observatory-cooling a white dwarf, from 100,000 K down to nothing
from a measured quantity · 17.8 ΔE floor · 7 accents over 171°

observatory-blackdwarf — observatory-blackdwarf the coldest thing there will ever be, and its last light
from a measured quantity · 21.5 ΔE floor · 6 accents over 169°

observatory-straggler — observatory-straggler one cluster's diagram, and the stars that break it
from a measured quantity · 17.8 ΔE floor · 7 accents over 176°

Exoplanets

observatory-trappist — observatory-trappist bone-dry rock in the habitable zone of a red dwarf
from an image · 17.6 ΔE floor · 5 accents over 174°

observatory-trappist-computed — observatory-trappist-computed seven worlds, and the one small red star lighting them
from a measured quantity · 16.4 ΔE floor · 7 accents over 2°

observatory-tres2 — observatory-tres2 the darkest world known, and the dimmest palette here
from an image · 22.0 ΔE floor · 5 accents over 17°

observatory-hd189733 — observatory-hd189733 the one exoplanet whose color was measured, and it is blue
from an image · 15.6 ΔE floor · 7 accents over 23°

observatory-eburonia — observatory-eburonia a hot Neptune in violet and indigo, and its orange dwarf
from an image · 15.7 ΔE floor · 7 accents over 159°

observatory-kepler56c — observatory-kepler56c a red giant, and the planet it is about to swallow
from an image · 9.2 ΔE floor · 8 accents over 69°

observatory-kepler292b — observatory-kepler292b a super-Earth as an ocean world, in teal and sea green
from an image · 17.6 ΔE floor · 5 accents over 30°

observatory-kepler20b — observatory-kepler20b five planets ranged against Mercury's orbit
from an image · 17.2 ΔE floor · 8 accents over 215°

observatory-hd40307f — observatory-hd40307f gray super-Earths under an orange dwarf
from an image · 17.3 ΔE floor · 6 accents over 174°

observatory-kepler90h — observatory-kepler90h the eight-planet system, in olive and gold
from an image · 9.4 ΔE floor · 7 accents over 25°

observatory-mintome — observatory-mintome the pink planet: a giant still glowing from its own formation
from an image · 16.6 ΔE floor · 5 accents over 78°

observatory-hd157172b — observatory-hd157172b a hot Jupiter being eaten, and the star doing it
from an image · 16.7 ΔE floor · 6 accents over 20°

observatory-gliese3323b — observatory-gliese3323b sage and slate, with one steel-blue sea
from an image · 16.7 ΔE floor · 6 accents over 205°

observatory-kepler1275b — observatory-kepler1275b a frozen super-Earth in russet, at the edge of the light
from an image · 9.8 ΔE floor · 4 accents over 31°

observatory-kepler1328b — observatory-kepler1328b a terrestrial placeholder in tan and umber
from an image · 17.6 ΔE floor · 4 accents over 25°

observatory-kepler438b — observatory-kepler438b a superflare sterilising a habitable-zone planet
from an image · 16.5 ΔE floor · 5 accents over 26°

observatory-kepler367b — observatory-kepler367b an atmosphere streaming off a small planet, in indigo and amber
from an image · 9.5 ΔE floor · 7 accents over 132°

observatory-sweeps10 — observatory-sweeps10 a Jupiter skimming a spotted red star, ten hours per year
from an image · 16.8 ΔE floor · 6 accents over 42°

observatory-enaiposha — observatory-enaiposha a steam world in silhouette against a red dwarf
from an image · 9.6 ΔE floor · 4 accents over 150°

observatory-dimidium — observatory-dimidium the first planet found around a sun-like star, in tan and butterscotch
from an image · 9.8 ΔE floor · 4 accents over 45°

observatory-tatooine — observatory-tatooine two suns, one silhouette, and every color warm
from an image · 9.4 ΔE floor · 5 accents over 29°

observatory-osiris — observatory-osiris a planet boiling away, gold against an ice-blue tail
from an image · 16.8 ΔE floor · 8 accents over 181°

observatory-methuselah — observatory-methuselah the oldest planet known, in teal and cobalt
from an image · 17.4 ΔE floor · 6 accents over 190°

Nebulae

observatory-catseye — observatory-catseye concentric shells in lilac and slate, eleven of them
from an image · 17.4 ΔE floor · 5 accents over 136°

observatory-catseye-computed — observatory-catseye-computed a planetary nebula's shells, ordered by ionisation energy
from a measured quantity · 23.4 ΔE floor · 9 accents over 288°

observatory-crab — observatory-crab a supernova's wreckage: teal synchrotron under gold filaments
from an image · 9.5 ΔE floor · 8 accents over 174°

observatory-crab-computed — observatory-crab-computed synchrotron continuum against line filaments
from a measured quantity · 12.5 ΔE floor · 8 accents over 216°

observatory-helix — observatory-helix the Eye of God: a rust iris around a periwinkle pupil
from an image · 9.2 ΔE floor · 8 accents over 187°

observatory-helix-computed — observatory-helix-computed the Eye of God, and the ten thousand knots in it
from a measured quantity · 26.1 ΔE floor · 7 accents over 221°

observatory-trifid — observatory-trifid three dust lanes across pink hydrogen, and a blue reflection
from an image · 15.2 ΔE floor · 6 accents over 138°

observatory-trifid-computed — observatory-trifid-computed one star, and the three things dust does to its light
from a measured quantity · 17.2 ΔE floor · 7 accents over 240°

observatory-boomerang — observatory-boomerang the coldest known place, and it photographs as warm gray
from an image · 18.2 ΔE floor · 8 accents over 102°

observatory-boomerang-computed — observatory-boomerang-computed one kelvin, which has no color, so this is borrowed light
from a measured quantity · 15.3 ΔE floor · 6 accents over 158°

observatory-orion — observatory-orion the sharpest view of the nebula, in brick and rose
from an image · 16.2 ΔE floor · 6 accents over 43°

observatory-orion-computed — observatory-orion-computed one constellation, measured
from a measured quantity · 16.7 ΔE floor · 7 accents over 234°

Galaxies and deep fields

observatory-bimodal — observatory-bimodal galaxies come in two colors, and the gap is not green
from an image · 18.8 ΔE floor · 7 accents over 152°

observatory-hoag — observatory-hoag a gold core inside a detached ring, and nothing in between
from an image · 9.4 ΔE floor · 7 accents over 217°

observatory-hoag-computed — observatory-hoag-computed an old core, a young ring, and nothing in between
from a measured quantity · 15.6 ΔE floor · 7 accents over 166°

observatory-voorwerp — observatory-voorwerp a green ghost lit by a quasar that has already gone out
from an image · 17.7 ΔE floor · 5 accents over 145°

observatory-voorwerp-computed — observatory-voorwerp-computed the one green thing, and it is gas rather than a star
from a measured quantity · 27.3 ΔE floor · 7 accents over 262°

observatory-galaxy — observatory-galaxy color as age, across a spiral galaxy
from an image · 17.0 ΔE floor · 7 accents over 171°

observatory-milkyway — observatory-milkyway our own galaxy from outside, which nobody has seen
from an image · 16.4 ΔE floor · 4 accents over 183°

observatory-milkyway-computed — observatory-milkyway-computed our own galaxy, whose color was the hardest to measure
from a measured quantity · 15.9 ΔE floor · 7 accents over 151°

observatory-milkywayparanal — observatory-milkywayparanal the galactic plane over Paranal, in slate and mauve
from an image · 12.6 ΔE floor · 4 accents over 60°

observatory-deepfield — observatory-deepfield ten thousand galaxies, and four per cent of the frame is lit
from an image · 9.4 ΔE floor · 7 accents over 223°

observatory-deepfield-computed — observatory-deepfield-computed ten thousand galaxies, sorted by how long the light took
from a measured quantity · 27.3 ΔE floor · 6 accents over 210°

observatory-deepfieldwebb — observatory-deepfieldwebb the first Webb deep field, in amber and steel
from an image · 15.8 ΔE floor · 6 accents over 167°

Events

observatory-eventhorizon — observatory-eventhorizon the first photograph of a black hole, and it is all one hue
from an image · 16.3 ΔE floor · 7 accents over 40°

observatory-eventhorizon-computed — observatory-eventhorizon-computed the colormap the black hole pictures used
from a measured quantity · 16.9 ΔE floor · 8 accents over 58°

observatory-jet — observatory-jet the same hole four years later, in violet, with its jet
from an image · 9.3 ΔE floor · 8 accents over 132°

observatory-shadow — observatory-shadow the black hole picture as recorded, which is gray
from an image · 11.3 ΔE floor · 3 accents over 0°

observatory-cosmicbackground — observatory-cosmicbackground the oldest light there is, as a temperature map
from an image · 17.7 ΔE floor · 8 accents over 178°

observatory-cosmicbackground-computed — observatory-cosmicbackground-computed a diverging scale, cold to hot, like the anisotropy maps
from a measured quantity · 11.0 ΔE floor · 8 accents over 201°

observatory-cosmicbackgroundlegacy — observatory-cosmicbackgroundlegacy the last word on the oldest light, in eight colors
from an image · 17.3 ΔE floor · 8 accents over 170°

observatory-kilonova — observatory-kilonova two neutron stars merging, and where the gold came from
from an image · 17.1 ΔE floor · 7 accents over 185°

observatory-kilonova-computed — observatory-kilonova-computed a photosphere crossing the whole stellar locus in five days
from a measured quantity · 13.6 ΔE floor · 6 accents over 171°

observatory-supernova1987a — observatory-supernova1987a the nearest supernova in four centuries, ringed
from an image · 17.8 ΔE floor · 5 accents over 195°

observatory-cassiopeia — observatory-cassiopeia a remnant in X-rays, which makes it violet
from an image · 17.9 ΔE floor · 8 accents over 234°

observatory-cassiopeiawebb — observatory-cassiopeiawebb the same remnant in the infrared, which makes it teal and rust
from an image · 9.5 ΔE floor · 8 accents over 207°

observatory-tycho — observatory-tycho the star that proved the heavens change, in crimson and periwinkle
from an image · 16.9 ΔE floor · 8 accents over 96°

observatory-nova — observatory-nova a white dwarf's surface igniting, hour by week
from a measured quantity · 17.8 ΔE floor · 8 accents over 233°

observatory-brightestofalltime — observatory-brightestofalltime the brightest burst ever recorded, in dust echoes
from an image · 9.7 ΔE floor · 6 accents over 40°

Readings

observatory-balmer — observatory-balmer the hydrogen Balmer series, brightness following line strength
from a measured quantity · 10.8 ΔE floor · 7 accents over 176°

observatory-doppler — observatory-doppler one spectral line, seven velocities
from a measured quantity · 10.6 ΔE floor · 8 accents over 265°

observatory-pulsar — observatory-pulsar maximum contrast, and pale because of it
from a measured quantity · 10.3 ΔE floor · 7 accents over 224°

observatory-fraunhofer — observatory-fraunhofer the Sun's own labelled absorption lines
from a measured quantity · 29.7 ΔE floor · 10 accents over 286°

observatory-meteor — observatory-meteor what the rock was made of, while it lasted
from a measured quantity · 30.4 ΔE floor · 8 accents over 207°

observatory-hertzsprungrussell — observatory-hertzsprungrussell a color-magnitude diagram, both axes used
from a measured quantity · 17.5 ΔE floor · 7 accents over 172°

observatory-extinction — observatory-extinction one blue star behind seven columns of dust
from a measured quantity · 15.5 ΔE floor · 7 accents over 171°

observatory-kuiper — observatory-kuiper two populations, and the gap between them
from a measured quantity · 16.8 ΔE floor · 8 accents over 15°

observatory-plate — observatory-plate no color at all, and the five grays that leaves
from a measured quantity · 12.2 ΔE floor · 4 accents over 0°

Constructions

observatory-albedo — observatory-albedo the solar system, lit by apparent magnitude
solved for separation · 10.8 ΔE floor · 8 accents over 201°

observatory-dichroic — observatory-dichroic legible with red-green and blue-yellow color blindness
solved for separation · 14.2 ΔE floor · 7 accents over 248°

observatory-horizon — observatory-horizon one line falling into a black hole
solved for separation · 10.5 ΔE floor · 9 accents over 267°

observatory-lagrange — observatory-lagrange the palette solved for maximum separation
solved for separation · 19.1 ΔE floor · 10 accents over 270°

observatory-phi — observatory-phi hues at the golden angle, so any subset stays spread
solved for separation · 20.4 ΔE floor · 10 accents over 296°

observatory-syzygy — observatory-syzygy separation spent where tokens actually touch
solved for separation · 15.5 ΔE floor · 10 accents over 304°