Dave Rupert • 1/8/2026

Algorithmic hover states with contrast-color()

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This article explains the new CSS contrast-color() function for automatic foreground color contrast and demonstrates its advanced use in creating algorithmic hover states for buttons. It details how to combine contrast-color() with color-mix() to programmatically lighten or darken backgrounds based on the base color, improving accessibility and simplifying design systems.

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#css #accessibility #design systems
Algorithmic hover states with contrast-color()

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