| Color and Color Difference |
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Color is one of the key elements in product design. Customers often make their purchasing decisions based on a product's color, hue, and texture. Therefore, maintaining consistent color and quality in industrial products requires professional measurement equipment to ensure production consistency. However, the human eye cannot accurately determine whether colors are consistent, as visual perception inevitably involves certain errors and varies from person to person.
Retinal Fatigue – A temporary visual afterimage caused by staring at intense colors for a short period of time.
Based on the factors mentioned above, professional equipment is required for color analysis to ensure consistent product color and quality throughout production, thereby maintaining consistency across a company's products. 
Color Quantification - Assigning numerical values to colors. The following three elements are commonly used as parameters for color quantification.
Common Color Measurement Instruments
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