colorHexToR function

Syntax

  • float colorHexToR(hexValue)

Parameters

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

Returns

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

Description

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

Related

Examples

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