lighter property

Color lighter

Implementation

Color get lighter =>
    _lighter ??
    Color(
        r: r + ((255 - r) * _lighterPercentOfOrig).round(),
        g: g + ((255 - g) * _lighterPercentOfOrig).round(),
        b: b + ((255 - b) * _lighterPercentOfOrig).round(),
        a: a);