color_sum.Rd
Mix two colors additively in RGB space
color_sum(col1, col2)
A hex or R color
Another hex or R color
The sum of col1 and col2 as a character hex color (e.g. "#FFFFFF")
color_sum("red","green") #> [1] "#FFFF00" color_sum("#1B9E77","#D95F02") #> [1] "#F4FD79"