
Color Theory quiz
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Who gave the rainbow seven colors to match music's seven notes?
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More questions about Color Theory
These visible examples show the question style. LearnClash turns the full topic into ranked duels and spaced repetition.
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Which color sits opposite blue on a painter's color wheel?
Answer: Orange
Why: Placed side by side, opposites make each other stand out, but mixed as paint they cancel into a dull gray or black.
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What color do yellow and blue light make together?
Answer: White
Why: Mixing paints absorbs more light and heads dark, but mixing lights adds light and heads toward white.
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Which blue is the oldest known synthetic pigment?
Answer: Egyptian blue
Why: Egyptian blue glows in near-infrared under visible light, which lets scientists find it on objects that look unpainted.
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What color do red and green light make together?
Answer: Yellow
Why: A typical screen shows yellow by lighting its red and green elements together at the same time.
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What tiny insect gives us the red dye carmine?
Answer: Cochineal
Why: Carmine became New Spain's second most valuable export after silver, with prices quoted in London and Amsterdam.
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Which poison gave Scheele's green its vivid color?
Answer: Arsenic
Why: Damp wallpaper with Scheele's green harbored molds that converted the dye into toxic airborne gas, slowly sickening the room's occupants.