HTML number values ​​of various common colors (collection)

In HTML, a color can be represented by a color name, RGB value, or HEX value.

RGB
rgb (red, green, blue) three variables are the concentrations of the three primary colors (0~255)
For example, rgb(255,0,0) red
                              rgb (0,0,0) black
rgb (255,255,255) white

HEX
hexadecimal represents a hexadecimal number
Decimal: 0~255 Convert hexadecimal: 00~ FF

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