getHct method
Get the HCT color for a given tone.
Implementation
Hct getHct(double tone) {
if (_hue == null || _chroma == null) {
if (!_cache.containsKey(tone)) {
throw ArgumentError.value(
tone,
'tone',
'When a TonalPalette is created with fromList, tone must be one of '
'$commonTones',
);
} else {
return Hct.fromInt(_cache[tone]!);
}
}
return Hct.from(_hue!, _chroma!, tone);
}