Color Story: What is UCS (Uniform Color Space)?

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last updated：Jan 23, 2024

日本電色工業

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It is more convenient for color management to convert the coordinates of the three stimulus values into coordinates that correspond to color perception.

The "UCS (Uniform Color Space)" refers to a space designed so that color differences perceived as equal in size correspond to equal distances within the color space. It is used by converting it into a representation method corresponding to the three attributes of hue, lightness, and chroma. 【Overview】 ■ It is used by converting color perception into a representation method corresponding to the three attributes of hue, lightness, and chroma. - The space where color differences perceived as equal in size correspond to equal distances within the color space is called UCS. ■ The most widely used among them is the L*a*b* color space chromatic diagram, where the coordinates of achromatic colors with that lightness are projected near the origin where a*=0 and b*=0. - Please refer to the catalog for the diagram. ■ It is utilized in color management using the coordinates of perceived colors and corresponding colors. *For more details, please refer to the PDF document or feel free to contact us.