Royal blue (dark) / #002366 Hex Color Code The color royal blue (dark) with hexadecimal color code #002366 is a dark shade of cyan-blue. In the RGB color model ... ... <看更多>

Any shade of blue is 'blue' - light blue, dark blue, navy blue, sky blue - these are all blue. I want to reduce the colors in the image down to ... ... <看更多>

In addition to the ubiquitous and machine-friendly RGB and HSL color space, ... If k is specified, it controls how much darker the returned color should be. ... <看更多>

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