
Fixes #144649 This PR is to add an enhancement for `ColorScheme.fromSeed()`. When we input a brighter color with a high chroma and we want the resulting `ColorScheme` respects the source color, we can achieve this by setting ```dart ColorScheme.fromSeed( seedColor: sourceColor, variant: Variant.fidelity, ... ) ``` Here is a demo for `ColorScheme` constructed by all 9 variants:  