EASY (IER) KANJI - JLPT 3 KYUU

Some color names have this kanji with it (see examples)

1) shiki, 2) shoku, 3) iro - color

青色 ao iro - blue
黄色 ki iro - yellow
十人十色 juu nin to iro - 10 people 10 colors, different strokes for different folks