Gradientle — The Daily Color Gradient Puzzle
One puzzle per day. Same puzzle for everyone. Free to play.
What is Gradientle?
Gradientle is a free daily color puzzle game. Every day, a new scrambled gradient appears. Your job is to drag the tiles back into their correct positions until the colors blend smoothly from corner to corner. The four corner tiles are fixed — they define the gradient's boundaries. Everything in between is up to you.
One puzzle per day. Everyone plays the same one. Compare your solve with friends, share your results, and come back tomorrow for a new gradient.
How to Play
- Study the four corner tiles — they show you the gradient's start and end colors and don't move.
- Drag the scrambled tiles to swap them with each other until the colors flow smoothly across the grid.
- Edge tiles (along the border) are easiest to place — they're constrained on two sides. Work from the edges inward.
- Use hints if you get stuck — they highlight tiles that are already in the correct position.
- Your score is based on how many moves you use compared to the theoretical minimum.
The Science Behind the Gradient
Gradientle uses OKLAB color math for all gradient calculations. OKLAB is a perceptual color space where equal numerical steps look equal to human eyes — unlike RGB, where "halfway between red and blue" produces an unpleasant, muddy purple that doesn't look halfway between anything.
The practical result: every Gradientle gradient has a clear visual logic. If a tile feels slightly off relative to its neighbors, trust your eye — it's working correctly.
Strategy Tips
- Read warm vs. cool first. Sort tiles mentally into warm (reds, oranges, yellows) and cool (blues, greens, purples) halves before placing anything.
- Check hue, saturation, and brightness separately. A tile that's wrong in only one of these dimensions is close — look for a neighbor with the opposite imbalance.
- Trust context over isolation. A tile that looks right on its own can still be wrong in context. Always check all four neighbors after placing.
- Work edges before center. Edge tiles are constrained by two fixed corners and are much easier to place correctly.
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