Learn Color Theory
Master color with interactive guides.
Color Harmony
Explore complementary, analogous, triadic, and other harmony modes with an interactive color wheel.
Hue, Value & Chroma
Master the three independent dimensions of color — hue, lightness, and chroma — with interactive OKLCH demos.
Color Modes
Compare RGB, HSL, HSB, CMYK, LAB, LCH, OKLCH, and Pantone with interactive sliders.
Color Science
CIE XYZ, spectral color, IPT, ICtCp, and the science of how we perceive color.
Color Psychology
How color drives emotion, trust, and purchasing decisions. 60-30-10 rule, brand norms, and cognitive biases.
Perception & Context
How surrounding context, lighting, and dark/light mode change the way you perceive color. The Dress, simultaneous contrast, and why dark mode needs different colors.
Visual Perception
Chromostereopsis, color vibration, afterimages, Mach bands, and the Hermann grid — interactive demos revealing how optical illusions shape design decisions.
Color Variations
Explore shades, tints, tones, hue rotation, and temperature — five ways to derive new colors from any base.
Undertones
Discover the subtle secondary color family hidden beneath a color's surface, and why undertone alignment is the secret to cohesive palettes.
Contrast & WCAG
Understand contrast ratios, WCAG AA/AAA levels, and how font size affects readability requirements.
Accessibility & CVD
Simulate color vision deficiency, find confused color pairs, and learn inclusive design patterns.