Questions tagged [colors]

For questions relating to color or the perception of color.

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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 ...
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3 votes
1 answer
126 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 ...
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5 votes
3 answers
203 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 ...
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3 votes
1 answer
57 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. ...
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6 votes
1 answer
115 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 ...
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5 votes
6 answers
574 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 ...
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26 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 ...
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10 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 ...
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  • 374
2 votes
1 answer
120 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 ...
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2 votes
3 answers
132 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. ...
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4 votes
2 answers
144 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 ...
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5 votes
2 answers
185 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 ...
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2 votes
1 answer
121 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 ...
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6 votes
2 answers
352 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, ...
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4 votes
8 answers
1k 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 = ...
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  • 49
-1 votes
1 answer
83 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 ...
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4 votes
1 answer
199 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 ...
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2 votes
4 answers
440 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 ...
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  • 1,528
4 votes
4 answers
485 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 ...
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  • 819
4 votes
1 answer
256 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 ...
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3 votes
1 answer
113 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 ...
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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 ...
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  • 2,546
1 vote
1 answer
1k 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 ...
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5 votes
2 answers
118 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 ...
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  • 353
7 votes
3 answers
289 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 ...
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  • 353
8 votes
3 answers
410 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 ...
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  • 2,546
4 votes
5 answers
370 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 ...
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4 votes
1 answer
122 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%...
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  • 13.4k
10 votes
3 answers
489 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 ...
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  • 6,164
4 votes
6 answers
540 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 / ...
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  • 6,164
1 vote
1 answer
319 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 ...
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  • 6,164
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 ...
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  • 2,617
5 votes
3 answers
707 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 ...
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9 votes
2 answers
320 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 ...
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  • 5,113
-3 votes
1 answer
135 views

Advanced Alien Coloring [closed]

The Mantis Shrimp is a crustacean known for two things: its punch its eyes For this question I will focus on the latter. A theory about the effects of their super vision is that it causes their ...
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  • 3,583
5 votes
3 answers
184 views

Perceiving color like a native

Assumptions One habitable world in each system (blue sun system and yellow sun system). The two worlds are fundamentally Earth-like. The native humanoid species on each world are genetically ...
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