noun which may take the genitive case particle 'no'
colored; color-tinted
Describes something that has color, as opposed to being monochrome, transparent, or plain. Often used attributively with の.
色付きのガラスがきれいだ。
The colored glass is beautiful.
この本は色付きのイラストがたくさんある。
This book has many color illustrations.
色 is the general noun for 'color', while 色付き specifically means 'having color' or 'colored'.
Compound of 色 (iro, 'color') + 付き (tsuki, 'attached'), from the verb 付く (tsuku, 'to be attached').