```python
for i,x in enumerate('RGYBMC'):globals()[x]=lambda s,i=i:f'\x1b[{91+i}m{s}\x1b[0m'

for i,x in enumerate('rgybmcRGYBMC'):globals()[x]=lambda s,i=i:f'\x1b[{31+i//6*60+i%6}m{s}\x1b[0m'

print(r('hello'), R('hello'))


def color(text, code=None):
    if code: code = int(__import__('hashlib').sha1(code.encode()).hexdigest(), 16)
    else: code = int(__import__('random').random() * 214)
    return f'\x1b[38;5;{code % 214 + 17}m{text}\x1b[0m'

print(color('hello'))
print(color('world'))
print(color('fixed', 'fixed'))
```