how to define your own color in flutter | android studio

 how to define your own color in flutter |  android studio

make a Dart file with constant name.

make a new file with any name and and in TextStyel use your define color as

 style: TextStyle(color: blueColor

If your client said you to change color blue to orange, go to constant file and change the blueColor with client color as

const Color blueColor = Colors.orange;

select the blueColor    and refactor it and  Rename, 

 it will change automatically where this name is used in all files