Mastering Color Space: Tips to Minimize Color Rejections in Textiles (Part-09; Color Space)
Md. Fakhrul Islam CCol ASDC
Chartered Colourist (UK) | Textile Color Management Specialist | Results-Driven Textile Manufacturing Expert | Process Optimization | Dyeing and Finishing Pro | Technology Enthusiast | Continuous Improvement Advocate
??????? ????? ????? ??? ??????? ?????? ???? ??????? ???? ??? ???? ?????????? (????-??: ????? ?????)????
????????? ?? ???? ??????? ???????? ?? L*A*B* ????? ?????? ?? ????? ????? ??? ?????? ?????? ??? ???? ?? ??????? ?? ?????? ??? ???? ? ?? ???? ??? ??? ????? ??????? ????? ?? ???? Quadrant ???? ???? ?
???. +a, +b Quadrant, (Red ??? Yellow zone)
???. -a, +b Quadrant, (Green ??? Yellow zone)
???. +a, -b Quadrant, (Red ??? Blue zone)
???. -a, -b Quadrant, (Green ??? Blue zone)
???? ?????????? ????????????? ?? ???? ?? ????? ??? ????? ??? ?? ??? ?? ?? ? ?? Quadrant ?? ?? ??? ???? Quadrant ? ??????? ???? ??????? ????
????? ?????? ??????? ?? ??? ??? ???, ????????????? ?? ???? ?? ??? ??? ???????? +a,+b Quadrant ? ??? ????? ??? ??? ??? ???????? -a,-b Quadrant ? ??? ????? ???, ????? ???????? ???? ?? ??? ??? ????? ?? ???? ??? ????? ?? ????? ???? ???????? ??? ??? ????? ??????? ????? ????? ????? ???? ????????????? ?? ???? CMC DE 1.0 ?? ????? ?? ??????, ?????? ???? ????? ???????? ?????? ???????? ???? ????? ???, ????? ?? ????? ??? Quadrant ? ??? ????? ?????? ?????? ???
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"Mastering Color Space: Tips to Minimize Color Rejections in Textiles"
The LAB color space is widely popular in the textile industry. When we divide this color space into four quadrants, each quadrant represents a specific color zone.
?? Quadrant 1: +a, +b (Red and Yellow zone)
?? Quadrant 2: -a, +b (Green and Yellow zone)
?? Quadrant 3: +a, -b (Red and Blue zone)
?? Quadrant 4: -a, -b (Green and Blue zone)
Regardless of how a sample aligns with the standard, it will always fall within one of these four quadrants. By ensuring that the 1st and 3rd samples align with the +a, +b quadrant, and the 2nd sample aligns with the -a, -b quadrant, we can create noticeable color differences between batches. Even if each batch meets the CMC DE tolerance of less than 1.0 compared to the standard individually, there is still a higher chance of color rejection from an external perspective. Therefore, aligning batches within the same quadrant is crucial to minimize color rejections. ???
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