How to play
Look at the target color shown on screen, adjust the red (R), green (G), and blue (B) sliders to mix a color as close to it as possible, then click submit. You'll get a score based on how close your color is to the target, and your scores across 5 rounds add up to a final total.
How are RGB colors made?
Most colors you see on a screen are created using the RGB color model, which mixes red, green, and blue light at different brightness levels. Each color channel has 256 possible brightness levels, from 0 to 255 β setting all three to 0 gives black, and setting all three to 255 gives white. Understanding this makes it easier to match colors quickly.
Frequently Asked Questions
How is the score calculated?
The difference between your color and the target color is calculated separately for R, G, and B and added together; the smaller the total difference, the higher your score, up to a maximum of 100 points. A perfect match on all three values earns a full 100.
Can I still enjoy this if I have trouble telling colors apart?
Yes β your score is based purely on the numeric R, G, and B values you dial in rather than on visually judging the colors, so it's still a fun way to practice even if certain colors are hard for you to distinguish.