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The XYZ color space, established by the CIE (International Commission on Illumination) in 1931, is the foundational model for all modern color management systems. It mathematically defines the relationship between the physical wavelengths of light and human color vision. In this model, 'Y' corresponds to luminance (brightness), while 'X' and 'Z' serve as virtual components to describe chromaticity. Because it encompasses all colors visible to the human eye, XYZ serves as the standard reference space for converting colors between different devices and color spaces.
A HSL color code, which stands for Hue, Saturation, Lightness, is a color representation system used in digital design and computing. Unlike RGB, which is based on the red, green, and blue primary colors, HSL focuses on different aspects of color.
HSL color codes provide a more intuitive and user-friendly way to work with colors, making it easier to adjust color attributes like hue, saturation, and lightness for various design purposes in web and graphic design.