canva.com/learn/color-theory
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Canva Learn Color Theory is Canva’s educational section that explains color fundamentals, harmony, palettes, and practical tips for applying color to design. It offers tutorials, articles, and ready-to-use examples to help you choose and combine colors for branding and visuals.
More resources on Color Theory
Composition Library
Master advanced composition techniques with Matt Kohr's Composition Library! Learn to create compelling art through proven visual principles.
Color and Light: A Guide for the Realist Painter
Explains how light reveals form and how pigments, atmosphere, and human perception shape what a painter sees. Covers light sources, colour relationships, and surface effects, so you can reason about a scene's colour instead of copying it.
colormatters.com
Color Matters is a design and color-education site focused on color theory, psychology, and practical color-use in branding and design. It offers articles, explanations of color meanings, palettes, trends, and tips for applying color effectively.
Understanding Color
Explore color theory! This course teaches the fundamentals of color, its properties, and how it impacts art and design.
Adobe Color
Browser tool for building color schemes on a live wheel using harmony rules, extracting palettes from uploaded images, and checking contrast for accessibility. Use it to test whether a palette holds up before committing to it.
Handprint Watercolor Color Theory
Bruce MacEvoy's long-form treatment of color grounded in colorimetry and vision science, covering additive and subtractive mixing, pigment behavior, and CIELAB. Readers come away able to critique the traditional artists' color wheel on physical grounds.