#!/usr/bin/env python3

# Print the 216 color codes, each in its corresponding color.

values = [ 0, 4, 8, 0xa, 0xc, 0xe ]

thecodes = [ "#%1x%1x%1x" % (r, g, b)
             for r in values
             for g in values
             for b in values ]

for (index, code) in enumerate(thecodes, start=16):
    sequence = ("\033[38;5;%sm%s\033[0m") % (index, code)
    separator = '\n' if index % 6 == 3 else ' '
    print (sequence, separator, end='')