Reference
Output
Every configuration you score 98%+ on is permanently immortalized here. Click a swatch to reveal its metadata.
Solid Color: The classic match mode. Use sliders to match the reference.
Luminance Match (Brightness): Look past the Hue! You must output a color that matches the exact perceived mathematical brightness (grayscale value) of the target.
Color Sort (Unscramble): The sliders vanish. Tap the scrambled blocks to swap them and rebuild the perfect mathematical gradient.
Hex-dle (Decoder): 6 tries to guess the exact 6-character Hex Code (Wordle rules).
Haystack Acuity: Grid vision test. Find the odd one out.
Color Telephone: Genetic Drift. Your output becomes the next round's target.
The Mixer (Midpoint): Find the exact mathematical 50% midpoint between Color A and Color B.
Gradient Matcher: 2 Colors + Angle. The next dimension of matching.
Palette Architect: Base color is locked. Create exact harmonious schemes.
Studio Mode: Pure utility. No timer. Lock In exports your CSS.
Darkroom Mode: Heavy interference. The app randomly flickers and dims, disrupting your perception of brightness.
WCAG Contrast: Achieve 4.5:1 (AA) minimum text contrast against the target.
Complementary: Find the exact mathematical opposite of the base color.
Visual Map: Replaces sliders with a 2D color picker spectrum.
Blind Hardcore: No visual reference. Rely entirely on the math code.
Terminal Mode: No UI. Type raw CSS code from memory to match.
Memory Mode: Target is visible for 3 seconds, then vanishes. Recall and recreate.
Illusion Framing: Triggers the Albers Effect using violently contrasting borders.
Vision Simulator: Apply medical colorblindness filters over the entire game.
Daily Rush: 60s survival. The sequence of colors is seeded globally every day.
Ghost Replays (Duels): When sharing Duel links, your slider movements are replayed to your opponent.
CMYK Mode: Subtractive ink mixing. Red + Green no longer makes Yellow.
(Bias calculates how your eyes naturally misinterpret RGB light over time)