FindMatchingColor

FindMatchingColor[image,color] returns a color similar to the color that is present in image.

FindMatchingColor[image,{color1,color2,…}] returns a list of colors matching each colori.

FindMatchingColor[{image1,image2,…},{color1,color2,…}] returns lists of matching colors for all imagei.

Please visit the official Wolfram Language Reference for more details and examples on core symbols.