Questions tagged [colors]

For questions relating to color or the perception of color.

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4
votes
1answer
143 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 ...
3
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1answer
71 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 ...
3
votes
1answer
78 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 ...
1
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1answer
146 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 ...
4
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2answers
97 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 ...
5
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3answers
158 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 ...
6
votes
3answers
231 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 ...
4
votes
4answers
173 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 ...
4
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1answer
106 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%...
8
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3answers
281 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 ...
4
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6answers
363 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 / ...
1
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1answer
136 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 ...
0
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0answers
49 views

What atmospheric changes could make water purple? [duplicate]

I'm writing a story based on another planet and would like for the water to be purple instead of blue, but I don't know if an atmosphere that would allow that would be safe for humans to breathe in.
41
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10answers
7k 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 ...
5
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3answers
648 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 ...
8
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2answers
251 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 ...
-3
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1answer
124 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 ...
5
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3answers
160 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 ...