Opposite Mode

🔄

You'll see a color name — but your goal is to pick its opposite (complementary) color, not the color itself.

🎯

Score up to 100 points per round based on how close you get to the true complement.

📅

Same 5 colors as the daily puzzle — max score is 500 points.

Questions? See the FAQ
Colored Sudoku

Palm

#808080

Color Tools

Contrast Checker Check if two colors meet WCAG accessibility standards. Palette Generator Build color palettes from any base color. Color Converter Convert between HEX, RGB, HSL and OKLCH. Blindness Simulator See colors as colorblind users do. Color Mixer Blend two colors together. Shades & Tints Generate lighter and darker variants.