import 'package:flutter/material.dart'; Color stringToColor(String string) { var number = string.codeUnits.reduce((a, b) => a + b); var index = number % colorPalette.length; return colorPalette[index]; } var originalColor = Color(0xFFDBD8BD); var count = 40; var colorPalette = List.generate( count, (index) => HSLColor.fromColor(originalColor) .withHue((index) * 360.0 / count) .toColor(), );