Thinking about color (Patreon)
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The thing is, in reality, color is not a fixed phenomenon - your perception of color can change based on time of day, light, atmosphere, reflections, sub-surface scattering (this is what happens with stuff like skin), and many other factors. The brain is also extremely forgiving. In my example above, the last one is still clearly a tree, even though I guarantee you will never see a tree like that in real life.
Try it out! Really push your color palette. The sky is not always blue, and grass is definitely not always green. Light is rarely white, and shade is rarely black!