For example, `@Deprecated('Use .r.')` hides the fact that `red` was a value between `0` and `255`, while `r` is a value between `0` and `1` Docs were improved with https://github.com/flutter/flutter/pull/160798, but deprecation message could be improved, mentioning that it is likely one must `* 255` to obtain the same result. cc @matanlurey