colorHexToR function

float colorHexToR(hexValue)

hexValue string Hexadecimal color string in the format "#rrggbb" or "#rrggbboo"

Returns the R value in [0,1] after converting a hexadecimal color to RGB.

This function converts a hexadecimal color string to RGB and returns the R value.

Related

Examples

Example

colorHexToR("#4080BF")
# result = 0.2509803921568628

colorHexToR("#4080BF80")
# result = 0.2509803921568628