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The LCH color code stands for Lightness, Chroma, and Hue. It is a cylindrical representation of the CIELAB (LAB) color space, designed to be more intuitive for human understanding. 'Lightness' represents the brightness of the color, 'Chroma' indicates the intensity or saturation, and 'Hue' specifies the color itself (e.g., red, blue, green) as an angle on the color wheel. LCH is particularly valued in design and colorimetry for its perceptual uniformity, meaning that changes in numerical values correspond relatively well to visual changes perceived by the human eye.
A HEX color code, often referred to simply as "hex" is a hexadecimal representation of a color in web design and digital graphics. It consists of a '#' symbol followed by a combination of six characters, which can be numbers (0-9) and letters (A-F). These characters represent the intensity of red, green, and blue (RGB) components in the color, allowing for a vast range of colors to be specified with precision. HEX color codes are widely used in HTML and CSS to define colors for websites, providing a standardized method for designers and developers to ensure consistent and accurate color reproduction across different platforms and browsers.