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Questions tagged [colors]

For questions relating to color or the perception of color.

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What would be the color of this ammonia ocean?

The ocean in question is mostly made ammonia, with some traces of ices (mostly water ice) at the bottom of the ocean. It also does have dissolved alcohols and salts though but these can be ignored if ...
Neil Iyer's user avatar
  • 1,544
-1 votes
3 answers
149 views

Why would yellow be considered a manly colour? [closed]

I am writing a story that is set in the Fourth World (metaphor meaning uncontracted people, hunter-gatherers, nomads, pastoral peoples, and some subsistence farming peoples, and sub-populations from ...
mammifereviolet4694's user avatar
12 votes
2 answers
3k views

Which colors were rare for leather to be dyed?

My character has a book of research bound in leather. To make the cover of her book distinguishable, she has the leather dyed a rare color. Which color might that be? Assume money is no object. The ...
The Glimmerverse's user avatar
9 votes
5 answers
3k views

How many distinct colors would tetrachromatic birds have?

I'm creating a world where the primary conscious species are essentially just ravens. Birds, in general, have tetrachromatic sight (extending in the UV range), meaning they see 4 base colors. My ...
The Zip Creator's user avatar
6 votes
1 answer
381 views

Could you breed livestock with structurally colored wool?

Imagine you have low magic, low tech nomads with a magical equivalent of microscopes, and a rudimentary understanding of genetics and optics (blame magic). They are selectively breeding livestock for ...
Vakus Drake's user avatar
  • 2,646
0 votes
1 answer
85 views

Could the sky be a different color but the atmosphere still be breathable by humans? [duplicate]

I'm trying to explore possibilities for differences between earth and a different planet in my story. I'm wondering if I could change the color of the sky. When doing research on the subject I got a ...
Spaghetti_Writer's user avatar
22 votes
5 answers
6k views

How to make nuclear fireworks?

Meg Al O'man, empress of all the lands where the sun never sets, bringer of peace across the oceans, archmaster of the secret order of the water puppets and so on and so forth has set her mind on ...
L.Dutch's user avatar
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5 votes
0 answers
235 views

How does one calculate the baseline color of a world's sky, clouds, snow, and water?

I'm working on a planet for a book I'm hoping to write. I want it to be scientifically accurate wherever possible. I know that suspended particles can completely change these colors, but it looks like ...
ruinedanothergoodinstall's user avatar
0 votes
1 answer
171 views

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
  • 4,735
3 votes
2 answers
138 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
102 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
78 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
  • 8,605
1 vote
4 answers
345 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
216 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
  • 8,605
-4 votes
4 answers
966 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
278 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
  • 3,667
-3 votes
2 answers
273 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
  • 10.6k
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
361 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
127 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
414 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
140 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
154 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
160 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
466 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
335 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
78 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
161 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
632 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
  • 16.1k
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
  • 383
2 votes
1 answer
176 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
  • 48k
2 votes
3 answers
214 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
202 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
270 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
145 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
449 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
4k 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
92 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
  • 3,192
4 votes
1 answer
228 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
548 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
574 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
  • 969
4 votes
1 answer
346 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
  • 12.2k
3 votes
1 answer
159 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
  • 1,778
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
200 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
  • 373
7 votes
3 answers
338 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
  • 373
8 votes
3 answers
650 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