0: 'black'
1: 'red'
2: 'green'
3: 'yellow'
4: 'purple'
5: 'orange'
6: 'cyan'
7: 'normal_gray'
8: 'bg'
9: 'bright_red'
10: 'bright_green'
11: 'bright_yellow'
12: 'blue_gray'
13: 'bright_orange'
14: 'bright_cyan'
15: 'white'
