Questions tagged [colors]

For questions relating to color or the perception of color.

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Colour of a Nitrogen rich atmosphere containing some SO2 and NH3?

I have a world orbiting an M7 red dwarf with an atmospheric composition like this: 96% N2, 2% NH3, 1% Ar 0.5% CO2, 0.5% SO2+Others At 0.2 bars, with an Ammonia ocean (if that changes anything) What ...
Fox Studios's user avatar
11 votes
9 answers
5k views

Can 21 sports kits be visually distinct?

World I'm building a sports league. The sports league has 21 teams. This led me to a question that's an interesting intellectual puzzle I thought this forum would like: Could the 21 teams wear ...
wokopa's user avatar
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3 votes
2 answers
125 views

Is a blue sun/star visually possible with a orange sky?

I know an orange sky is achievable in at least two ways; large particles in the air (for example: smoke); or a thicker and:or denser atmosphere, so that light is getting bounced around and only longer ...
Nogus101's user avatar
2 votes
0 answers
92 views

If possible, what would be the conditions for a planet like Earth to have an emerald green sky in its twilight zone? [closed]

Regardless, how can I get an idea of ​​how the color of starlight, or any other natural phenomenon, impacts the color of the sky at different times of day?
Storm's user avatar
  • 49
2 votes
0 answers
72 views

Is the sky on venus likely to be blue above the cloud layer? [duplicate]

In my sci-if universe, humans are settling in the upper atmosphere of venus, and I was just wondering what kind of view they’d have. According to the Soviet venera probes, the sky on venus is likely ...
user98816's user avatar
  • 8,459
1 vote
4 answers
336 views

Why would authority figures' uniforms be more colourful than average people's? [closed]

In my world, there are magical humans often named wizards. Their scientific name is Homo magicus. However, there are standard humans (Homo sapiens as you shall know). Traditionally, wizards live in a ...
mammifereviolet4694's user avatar
1 vote
1 answer
182 views

What compounds could be used to dye a gas giant the colour of a rainbow?

So, we have an incredibly advanced clarkean civilisation who, having achieved godlike technology, have taken to transforming whole planets and solar systems into works of art. One of these is Rainbow, ...
user98816's user avatar
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-4 votes
4 answers
654 views

Is complete melanism possible in humans?

One of my characters has a genetic disease called "Complete Melanism". Her eyes, her skin, her hair, and her internal organs are all black. Like a famous Indonesian breed of chicken. The ...
mammifereviolet4694's user avatar
1 vote
2 answers
253 views

Does it make biological sense for primates to come in every possible hair, skin, and eye color? [closed]

There are a lot of Japanese shows and games where people have many different hair colors and eye colors. There are even cartoons and games where people come in every skin color in the rainbow and ...
Rhymehouse's user avatar
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-3 votes
2 answers
254 views

How does having blue blood affect the color perception of a species (on a subconscious level)? [closed]

In color psychology, red provokes the strongest emotion of any color. The increased heart rate can be associated with either blushing and passion or power and danger. So in general, you could say that ...
LiveInAmbeR's user avatar
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11 votes
6 answers
5k views

If Earth's atmosphere is technically violet but our eyes can't see it, is there a possible variable that can let us perceive that?

There are a LOT of unworked holes in this, but the basic premise is my planet is a P-type orbit in a binary star system where these two stars have close orbits around each-other in order for the ...
raevynn's user avatar
  • 335
2 votes
4 answers
307 views

What evolutionary pressures would lead humans to evolve to be able to see ultraviolet light?

In my world, there is a species from the Homo genus named Homo maritimus (which means marine human) (there are still humans, just not Homo sapiens). They are commonly named merfolk. However, they do ...
mammifereviolet4694's user avatar
2 votes
2 answers
114 views

What color would a neptune like planet have around an orange dwarf?

Let's say we have a Neptune like planet orbiting around a k5v orange dwarf star. The planet is about as massive as Uranus but its atmosphere contains a large amount of methane. Based on what I have ...
ΓΙΑΝΝΗΣ ΜΙΧΑΗΛΙΔΗΣ's user avatar
-1 votes
3 answers
342 views

An alien spaceship is predominantly "white" inside. What color does a human see this as? [closed]

Human-made space-travelling objects seem to follow certain colour palettes. For example the interiors of human space stations seem to have been predominantly white, or a similar neutral shade like ...
Pranab's user avatar
  • 344
4 votes
1 answer
139 views

Could anyone give me a scientific explanation of how a planet/creatures would have purple-ish hue?

so this is related to a different planet/civilization me and my friend have in mind. The civilization is an intelligent life living far from earth, but what I have been thinking of is making the ...
SaBeus's user avatar
  • 209
1 vote
1 answer
128 views

Is Xanthophyll good at absorbing Light? or do i need another light wavelenght?

I want my alien planet to have yellow or orange-yellow plants. Is xanthophyll a good option for plants to absorb light, or do I need to make my sun give off More of a certain wavelength so they can be ...
Erik Sanchez's user avatar
1 vote
3 answers
139 views

The variety of colour in a world under a red dwarf [closed]

I'm designing a world orbiting a red dwarf. Now, I want the life on my planet to have a rich variety of color just like life on earth does. The problem is that I don't know if that's feasible. From ...
ΓΙΑΝΝΗΣ ΜΙΧΑΗΛΙΔΗΣ's user avatar
3 votes
1 answer
325 views

What kind of star would allow for red plant life? [duplicate]

I'm designing an alien world in which plantlife is mostly red. I've read that the type of star the planet orbits plays an important role to the plants' color (For example, worlds around M type stars ...
ΓΙΑΝΝΗΣ ΜΙΧΑΗΛΙΔΗΣ's user avatar
5 votes
3 answers
289 views

What chemicals would an atmosphere unbreathable by humans (yet allowing alien life to thrive) contain?

(first question, hi!) At the moment, I am trying to bring a planet which contains an atmosphere that can barely be breathed by humans (14% oxygen to be precise), to life. This planet is abundant with ...
Glorpis's user avatar
  • 59
3 votes
1 answer
69 views

What atmosphere composition would make my weapon shoot orange plasma?

I am planning on painting a Warhammer 40k army that uses orange plasma for their energy based weapons, and use that exact same orange plasma for my worldbuilding, and other unrelated works of writing. ...
Commissar Wilhelm's user avatar
6 votes
1 answer
154 views

Midway through Terraforming Venus

I was watching a quite interesting Kurzgesagt video, Here. How would the surface of Venus look after freezing the CO2 out of the atmosphere? At around 5:28, we see that the atmospheric pressure is 3 ...
Brandon Wand's user avatar
5 votes
6 answers
619 views

Hair that Ages from White to Black

Generally, human hair turns white as we age. However, one of the races in my world does this backwards; they are born white-haired, and when they reach 60 years of age it starts to gradually grow ...
Ichthys King's user avatar
  • 15.6k
27 votes
9 answers
6k views

Why would my sect permanently change the color of my hair and irises?

I live in a pre-industrial world, very similar to earth, but with very limited access to magic (no flight, only healing very minor injuries, making flowers grow faster, lighting a candle, etc.). I ...
N3buchadnezzar's user avatar
9 votes
7 answers
2k views

Do you need a new brain to see new colors?

Humans can see 3 colors, sometimes we can see more one color at the same time, this creates 7 variations of colors and a few million different shades of those same 7 colors. blue, red, green = mix ...
Drien RPG's user avatar
  • 373
2 votes
1 answer
152 views

Would we perceive more details if each of our eyes had different color cones?

Usually we have 3 types of color cones namely red, green and blue but 25% of us will have the 4th color cone that is rumored to be able to see 100 million colors that is about 100x more. But what if a ...
user6760's user avatar
  • 46.6k
2 votes
3 answers
194 views

can a planet be in the habitable zone of a blue star be the best option or a star that gives off more blue light

My planet originally was in a system with a blue star, but I think they are unstable and so it's not the best. So what type of stars give off more blue light in order for plants to be yellow or blue. ...
Erik Sanchez's user avatar
4 votes
2 answers
192 views

How would Blue/Yellow colored plants change during different weather seasons

My planet basically revolves around a blue star or a star that gives off more blue wavelengths, and the color of the plants are either blue or yellow or both because they are trying to absorb the most ...
Erik Sanchez's user avatar
5 votes
2 answers
251 views

Picking skin/fur/scale/feather colors in the light of a white sun (F-star)

As I have been developing my world, namely a massive moon (0.9 Earth masses) oribiting a gas giant (about 3 Jupiter masses), I have confronted multiple times the question of what colors should the ...
JuimyTheHyena's user avatar
2 votes
1 answer
139 views

If someone was color blind in one eye could that be explained by being a fraternal chimeric twin? [closed]

Say you had a tribe whose members each had one color blind eye, could this be explained by the absorption of fraternal twins in the womb? (Say chimerism was prevalent because it helped fight off ...
bryan dunn's user avatar
6 votes
2 answers
421 views

Can I have trees with blue bark?

My planet has a star that peaks in the violet part of the spectrum. Its atmosphere has a purple-ish hue due to this. My planet has a 40.6° axial tilt, giving it frigid winters and hot summers. Now, ...
asdf's user avatar
  • 177
9 votes
9 answers
3k views

What would absolute nothingness look like?

In my world, I have these things called 'voids', for lack of a better name. These voids are absolute nothingness. What I'm having trouble with is what they'd look like from the outside. No light = ...
Username reset's user avatar
-1 votes
1 answer
91 views

Kinds of stars and local plant life [closed]

I know how the color of a planet's flora is affected by the light from its sun. But my problem is I keep getting things confused. Does anyone know of a resource that lays it all out in a chart? I'm ...
Joe Smith's user avatar
  • 3,134
4 votes
1 answer
225 views

Is it possible to determine the colour of a molecule?

Is there a way to determine the colour and appearance of a large biomolecule? If no one had seen chlorophyll, simply knew of its existence, would you, from its formula, be able to determine that it ...
Curly Fries's user avatar
2 votes
4 answers
513 views

Plausibility of species with multi-colored skin

I am creating an intelligent humanoid species for DnD. I want them to have skin that has multiple colors. The colors would form patterns on the skin that would be random in each individual or could be ...
MintySweeTea's user avatar
  • 1,548
4 votes
4 answers
548 views

Color blindness and sentient animals co-existing with humans

So, I am writing a world where most mammals, birds, primates, and a few reptiles have been sentient since an 'event' of some sort happened in the late 1700s. This means that something like 'Mr. Ed' is ...
Jazzyamx's user avatar
  • 959
4 votes
1 answer
324 views

Can the color of an alien sky be calculated solely from atmospheric composition and the star's (or stars') spectral type(s)?

What exactly are the relevant numbers for such a calculation, and can it account for the color of the sky? By sky color, I mean the day to day hue that humans (or something else with very similar ...
John O's user avatar
  • 12k
3 votes
1 answer
157 views

Colors of cobaltodihistidine [closed]

I have heard the complex, Cobaltodihistidine, (not coboglobin) mentioned several times on this site in relation to alternative oxygen carriers, and I believe that this complex could be what my species ...
Aezyc's user avatar
  • 1,768
3 votes
1 answer
79 views

How would colonization of different star systems affect safety equipment?

On Earth, most safety equipment as we know it is painted yellow, as well as other high-power machines. Safety jackets worn by construction workers are also as so. Blue light (the majority of the sun's ...
Greenie E.'s user avatar
  • 2,536
1 vote
1 answer
2k views

What Star would encourage what color of plants? or, a table of star types to the most efficient plant color [duplicate]

Using the following list of stars, what color is the most efficient for plants to absorb the ideal amount of energy? (This is not a complete list of star types, just some big examples) Yellow Dwarf ...
The Silhouette's user avatar
6 votes
2 answers
160 views

Could a dichromatic animal distinguish red and green but not blue?

If a dichromatic mammal had better night vision than a human, including tapetum lucidum, could they see large (red) and medium (green) light wavelengths but not small (blue)? Would something similar ...
Tanya's user avatar
  • 363
7 votes
3 answers
330 views

Could a dichromatic animal see red?

So I'm not really sure whether I get it right or not, but apparently most mammals are dichromatic. Humans have three cones that detect light wavelengths, small for blue, medium for green, and large ...
Tanya's user avatar
  • 363
8 votes
3 answers
584 views

What Colour would a sulfuric acid lake be?

I was thinking of an interesting landmark to put on my conworld, and I went with the "large body of acid" trope. This lake would be about the size of Lake Superior, and near the equator. The ...
Greenie E.'s user avatar
  • 2,536
4 votes
5 answers
433 views

Would living on around Alpha Centauri change how our eyes see color?

I am writing a sci fi novel in which one of the primary factions is a lost space colony sent to Proxima Centauri (Alpha Centauri C) roughly 350 years prior on a generation ship. The trip took roughly ...
TitaniumTurtle's user avatar
4 votes
1 answer
124 views

Would a society of totally colourblind fare better than a society of people without a sense of smell? [closed]

There's two isolated islands, each big enough to support a population of millions and with all the natural resources they need to advance to the industrial era. But there is one hereditary flaw in 100%...
KeizerHarm's user avatar
  • 14.4k
10 votes
3 answers
582 views

Anatomically Correct Color-Adjustable Eye

I'm providing an interesting twist on the Anatomically Correct series by focusing on a single body part instead of an entire organism. The following image depicts the average range of the cones of a ...
overlord's user avatar
  • 6,232
3 votes
6 answers
624 views

Can a Sunset Be Black (Infrared)?

Fact 1: The cause of a sunset is from the angle of the sunlight, because the amount of scattering increases as the light passes through more and more of the atmosphere. Fact 2: Higher frequency / ...
overlord's user avatar
  • 6,232
1 vote
1 answer
550 views

Explaining Planet Colors/Compositions

I want to be able to explain: the coloration of my planets when I create them, but I don't have enough knowledge on the colors of elements or chemical compounds. I have done extensive research into ...
overlord's user avatar
  • 6,232
41 votes
10 answers
8k views

Would life always name the light from their sun "white" [closed]

I've heard it said that white light contains all the colors in it. Our sun produces white light and that the visible spectrum is just the range we evolved to see because our atmosphere is transparent ...
Muuski's user avatar
  • 2,637
5 votes
3 answers
786 views

Would plants on a planet orbiting a star like ours, have any different color?

So I'm currently designing an alien habitable planet that orbits a star similar to our Sun. Assuming that the composition of the planet's atmosphere, as well as its pressure, are similar to the ones ...
ΓΙΑΝΝΗΣ ΜΙΧΑΗΛΙΔΗΣ's user avatar
9 votes
2 answers
339 views

What would a beach look like if prolonged exposure to humans made the sand change color?

So one of the supernatural elements in my urban fantasy story is a system of "aura-syncing" that explains how various supernatural abilities extend to one's clothes and belongings. A full explanation ...
Simon Price's user avatar
  • 5,141