Read the challenge
Match a visible swatch in Color mode or decode its RGB hex value in Hex mode.
A precision color puzzle for iPhone
Match the swatch—or turn a six-digit hex code into color by eye. Pin your answer, see how close you were, and chase a perfect 500.
Tap the closest match
Simple to learn, hard to pin
Match a visible swatch in Color mode or decode its RGB hex value in Hex mode.
Tap the full-spectrum field where you think the target lives. Every point is playable.
See your target, guess, and perceptual score—then use the feedback on your next attempt.
Color mode
A target swatch puts your visual memory to work. Pin the closest match before the spectrum starts playing tricks on you.
Hex mode
Turn six hexadecimal characters into red, green, and blue—without a color picker doing the thinking for you.
#E93679Built for quick rematches
Distance is judged in a color space designed to better match what people actually see.
See your mode-specific best right above global rankings for today, this week, or all time.
Finish five attempts, review every round, then jump straight into a clean rematch.
Purchase once to remove banners and between-game ads. Once active, the Ad-Free tab disappears too.
Ready when you are