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Puzzle

Play a colour guessing game and test how well you can tell colours apart.

What's my JND?

Posted to Hacker News by Keithamus

Play a colour guessing game and test how well you can tell colours apart.

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On Hacker News as of Nov 10, 2026

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56 points on Hacker News · 58 comments
Posted on Hacker News
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PuzzleCasual

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