240 color card coloring color matching

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A 240-color card, also known as a color chart or color matching chart, is a collection of 240 different colors used for reference in various industries such as design, printing, and manufacturing. These cards are used to ensure consistency in color representation and matching across different materials and processes. The process of using a color card involves selecting the closest color from the chart to the desired color, which can then be matched and used in the production or design process.