Questions tagged [colors]

For questions relating to color or the perception of color.

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6
votes
2answers
288 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, ...
4
votes
8answers
266 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 = ...
-1
votes
1answer
73 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 ...
4
votes
1answer
169 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 ...
2
votes
4answers
378 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 ...
3
votes
4answers
397 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 ...
4
votes
1answer
173 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
votes
1answer
88 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
vote
1answer
479 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 ...
5
votes
2answers
104 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 ...
6
votes
3answers
203 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
292 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
195 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
votes
1answer
110 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%...
9
votes
3answers
361 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
votes
6answers
442 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
vote
1answer
195 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 ...
41
votes
10answers
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 ...
5
votes
3answers
665 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
votes
2answers
268 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
votes
1answer
130 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
votes
3answers
174 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 ...