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They show you a color for 5 seconds, then you try to recreate it. Click the calendar for the daily mode.
Similar games
Match the color name with their color, 5 rounds every day.
Pick the color that matches each given name, scoring more points the closer your guess is to the actual hue. 5 rounds every day.
View a color briefly, then recreate it using hue, saturation, and brightness sliders.
Guess today's color by its unique name. Very difficult, look at the list of useable colors in the instructions.
Figure out the color composition of the given color.
