The Colour Contrast Analyser (CCA) helps you determine the legibility of text and the contrast of visual elements, such as graphical controls and visual ... ... <看更多>

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Demonstration of Colour Contrast Analyser v. · Creating Color Contrast with Complementary Colors | Film Color Theory | Filmmaking Basics · Color ... ... <看更多>

The simplest option in base R would be results = apply(result.df, 1, function(x) color_contrast_checker(x[1], x[2])) which you can then ... ... <看更多>