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Color Matters
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Comprehensive color theory site with tools
More resources on Color Theory
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Adobe Color
Free color wheel and palette generator
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Understanding Color
Explore color theory! This course teaches the fundamentals of color, its properties, and how it impacts art and design.
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Colour Theory Lesson
Learn colour theory basics with Will Kemp! This course explores color relationships and helps you create stunning art.
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Adobe Color
Free color tool and explorer from r/Design threads
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Color Matters
Psychology and theory articles recommended in r/graphic_design
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Handprint Watercolor Color Theory
In-depth free resource praised in r/watercolor