Converts L* of CIELAB to Munsell value. The round-trip error, abs(L* - munsellValueToL(lToMunsellValue(L*)), is guaranteed to be smaller than 1e-3
if L* is in [0, 100].
Parameters
lstar: number
will be in [0, 100]. Clamped if it exceeds the
interval.
Converts L* of CIELAB to Munsell value. The round-trip error,
abs(L* - munsellValueToL(lToMunsellValue(L*)), is guaranteed to be smaller than 1e-3 if L* is in [0, 100].