def saturate_colors(colors, amount):
if amount and float(amount) <= <NUM_LIT:1.0>:<EOL><INDENT>for i, _ in enumerate(colors):<EOL><INDENT>if i not in [<NUM_LIT:0>, <NUM_LIT:7>, <NUM_LIT:8>, <NUM_LIT:15>]:<EOL><INDENT>colors[i] = util.saturate_color(colors[i], float(amount))<EOL><DEDENT><DEDENT><DEDENT>return colors<EOL>
Saturate all colors.