A quick color helper for getting other CSS color types to RGBA, it copies it to your clipboard

css_color.rb

########################
## Ruby color helpers ##
########################
require 'clipboard'
def css_color(text, output_type = "rgba")
  if text.start_with? "#"
    if text.length > 4
      colors = [text[1..2].to_i(16).to_s(10), text[3..4].to_i(16).to_s(10), text[5..6].to_i(16).to_s(10), 1]
    else
      colors = [(text[1]*2).to_i(16).to_s(10), (text[2]*2).to_i(16).to_s(10), (text[3]*2).to_i(16).to_s(10), 1]
    end
  elsif text.start_with? "rgba"
    colors = text.gsub(/\s+/, "").match(/rgba\((\d+),(\d+),(\d+),(.+)\)/).to_a[1..4]
  elsif text.start_with? "rgb"
    colors = [text.gsub(/\s+/, "").match(/rgb\((\d+),(\d+),(\d+)\)/).to_a[1..3], 1].flatten
  end
  out = "rgba(#{colors.join(',')})"
  Clipboard.copy out
  out
end