Games & Fun

カラーゲーム

RGBまたはHEX値から色を当てる — 色認識スキルを楽しくトレーニング

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Color Game

A color swatch is shown. Pick the matching HEX code as fast as possible. Score more for speed!

Difficulty

10 rounds per game

Color Game Online — Guess the HEX Color

A free color guessing game — a color swatch appears and you identify its HEX code. Scored by accuracy and speed. Trains your color perception for design and development work.

How to play

  1. 1

    Study the color

    A large color swatch appears on screen. Analyze its hue, saturation, and brightness.

  2. 2

    Guess the HEX code

    Enter your best 6-digit HEX guess or adjust the RGB sliders.

  3. 3

    Score is calculated

    Closer guesses score higher. Time bonuses reward fast answers.

  4. 4

    Next round

    A new color appears. Try to beat your previous score.

FAQ

What is a HEX color code?

A 6-digit hexadecimal code that represents a color in RGB format. #FF0000 = red, #00FF00 = green, #0000FF = blue, #FFFFFF = white, #000000 = black.

How do I get better at guessing colors?

Start by learning the extremes: pure reds (#FF0000), greens, blues, and then work toward midtones. Play daily for a few rounds — most players improve significantly within a week.

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