def colors_from_hash(match, hash)
      match[0] = mode(hash[:mode])                   if mode(hash[:mode])
      match[1] = color(hash[:color])                 if color(hash[:color])
      match[2] = background_color(hash[:background]) if background_color(hash[:background])
    end
def colors_from_hash(match, hash)
      match[0] = mode(hash[:mode])                   if mode(hash[:mode])
      match[1] = color(hash[:color])                 if color(hash[:color])
      match[2] = background_color(hash[:background]) if background_color(hash[:background])
    end
Set colors from params hash