printableFg property
Returns a hexadecimal string representation of the foreground color.
Format: "#rrggbb" where each component is 2-digit hex.
Implementation
@override
String get printableFg =>
'#${r.toRadixString(16).padLeft(2, '0')}${g.toRadixString(16).padLeft(2, '0')}${b.toRadixString(16).padLeft(2, '0')}';