toHex method
Prefixes a hash sign if leadingHashSign
is set to true
(default is true
).
Implementation
String toHex() => '${red.toRadixString(16).padLeft(2, '0')}'
'${green.toRadixString(16).padLeft(2, '0')}'
'${blue.toRadixString(16).padLeft(2, '0')}';