Triadic gives variety without chaos. The trick is hierarchy — pick one to be the workhorse primary, push the second to a quiet secondary, and let the third punch as accent. SaaS products like Slack and Linear borrow triadic logic for their UI palettes.
Color glossary
Triadic Palette
Three colors evenly spaced 120 degrees apart on the color wheel.
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Primary Color
The signature hue that identifies a brand and drives main CTAs and navigation surfaces.
Secondary Color
A supporting hue that complements the primary, used for less critical UI like tags, secondary buttons, and chart series.
Accent Color
A high-saturation contrast color used sparingly to emphasize one or two elements per screen.
WCAG Contrast Ratio
The luminance ratio between two colors, used by the Web Content Accessibility Guidelines to measure legibility.
Monochrome Palette
A palette built from a single hue, varying only saturation and lightness.
Analogous Palette
Three colors adjacent on the color wheel, typically within 30 degrees of each other.