"Unnatural" skin colors aren't just aesthetic choices. They are a visual shorthand for identity, biology, and belonging. When creators decide to turn a character blue or green, they are usually tapping into one of three narrative functions:
In anime and graphic novels, a character’s skin might flush grey when they are cursed, or turn gold when they ascend to godhood. When a character’s skin shifts from natural to unnatural, it visualizes internal change—loss of humanity, corruption, or enlightenment. unnatural skin colors
Green Martians, blue Na’vi, or grey-skinned elves immediately signal: This is not human. The color replaces the need for excessive prosthetics. Interestingly, cooler colors (blue/purple) often code as logical or noble, while warmer unnatural colors (orange/red) can code as dangerous or passionate. "Unnatural" skin colors aren't just aesthetic choices