Color Theory
A body of practical guidance for color mixing and the visual effects of specific color combinations, including the color wheel, complementary colors, and psychological effects of c
/ˈkələr ˈθɪri/ 🇬🇧 UK/ˈkələ ˈθɪri/Definition
A body of practical guidance for color mixing and the visual effects of specific color combinations, including the color wheel, complementary colors, and psychological effects of color
Examples
- The color wheel shows primary (red, blue, yellow), secondary (orange, green, purple), and tertiary colors. Complementary colors (opposite on the wheel) create visual contrast and energy.
- Fast food brands like McDonald’s and Burger King use red and yellow because studies show red stimulates appetite and urgency, while yellow evokes happiness and grabs attention.
Case Study
Facebook’s blue branding wasn’t just aesthetic — Mark Zuckerberg is red-green colorblind, and blue is the color he sees best. However, blue also conveys trust and reliability in color psychology, accidentally making it the perfect choice for a platform handling personal data.
Additional Images

Videos
Related Terms
Design, UX, Branding, Palette, Contrast