Abstract: To effectively aid industrial designers for product color design, a color design method was
proposed by integrating color case and grey relational analysis. From target color image, product
color specimens were selected, analyzed and screened. Color merging and trade-off analysis were
researched as well as color case description method. For mapping color case to target product color
design, target product was partitioned into several areas and grey relational analysis was used to
evaluate the relevance between mapping product color scheme and color case. Scissor lift was taken
as an example to verify that the proposed method can help transfer case color to target product color
design effectively and offer satisfactory solution to customers.

Key words: product color design, color case, grey relational analysis, color image