The user-computer interface for color selection is of great significance for the use of colors incomputer graphics, particularly in some fields where the used colors have to be selected carefully. Thispaper discusses what factors have to be considered to design an effective user interface for color selec-tion. It also presents a method which shows how to represent 3D color spaces according to the psychol-ogy of color perception. Two examples of user interface for color selection are given. One is based onthe CLELUV uniform color space, the other is based on RGB-rotated color model.
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