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About this tool
Mix and blend colors in an elegant, canvas-style watercolor sorting puzzle game.
Watercolor is a colour-mixing puzzle in which you blend six pigments — Crimson, Cobalt, Amber, Emerald, Violet and Ivory — to match a target shade across five hand-named levels, from Sunrise Blush to Royal Plum. Each stroke you add is averaged into the mix in RGB, you get only four or five strokes per level, and your score comes from how close the blended colour lands to the target measured as straight-line distance in RGB space. It is a short, calm game for anyone who enjoys colour: five levels, an undo button, and an average score at the end.
Open Watercolor Sort Puzzle on AltFTool — it loads instantly in your browser.
Tap a pigment to add it to your mix — Crimson, Cobalt, Amber, Emerald, Violet or Ivory.
Each stroke averages into the mix in RGB, with four or five strokes a level; ↩ Undo Stroke takes the last one back.
Paint & Judge ✓ scores Your Mix against Target by RGB distance, across the five levels from Sunrise Blush to Royal Plum.
Accuracy is the Euclidean distance between your mix and the target RGB, so a near-miss reads as a near-miss instead of a blunt right-or-wrong.
Four or five strokes per level means ratios matter — you have to decide how many of each pigment before you start, not blend until it looks right.
You can take back the last stroke any time before you submit, so experimenting with a ratio costs nothing.
Five: Sunrise Blush, Twilight Mist, Sea Foam, Golden Meadow and Royal Plum. Each has its own target colour and a stroke budget of four or five, and your per-level scores are averaged into a final figure when you finish the fifth.
Each stroke contributes its pigment's RGB values and the mix is the arithmetic mean of every stroke on the canvas. So two Crimson and one Cobalt gives you two-thirds Crimson by weight — adding more of a colour shifts the average toward it rather than layering on top.
From the RGB distance between your mix and the target: under 20 scores a full 100, and the score tapers through bands at 45, 80 and 130 down toward zero for a wide miss. Scoring 70 or above triggers the celebration effect.
No — the game runs entirely in the page and reloading starts you back at level one with no scores. There is no account, no save file and nothing sent anywhere, so play it as a single sitting of five levels.