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coloredsudoku.com

Daily Puzzle · August 15, 2026

Select an empty cell to begin

How to play

Fill every row, column, and 3×3 box with all 9 colors, no repeats.
Select an empty cell, then click a color (or press 1-9) to place it.
The faint dot in a cell marks a pre-filled clue, not a mistake.
Cells outlined in red conflict with another cell in the same row/column/box.
Toggle ✎ notes mode to pencil in candidate colors instead of committing one.
Undo (Z), Hint (H), and Check let you backtrack, peek, or verify your progress.

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