lighter method

Color lighter([
  1. double value = 0.5
])

Makes the color lighter (more white), by the given value, from 0 (no change) to 1 (white). If value is not provided, it will be 0.5 (50% change). If value is less than 0, it's 0. If more than 1, it's 1. Doesn't change the opacity.

See also: ChangeColors

Implementation

Color lighter([double value = 0.5]) =>
    Color.lerp(this, Colors.white, _limit(value))!.withAlpha(alpha);