Flutter 主题颜色设置

Flutter 颜色源码

 static const MaterialColor deepPurple = MaterialColor(
    _deepPurplePrimaryValue,
    <int, Color>{
       50: Color(0xFFEDE7F6),
      100: Color(0xFFD1C4E9),
      200: Color(0xFFB39DDB),
      300: Color(0xFF9575CD),
      400: Color(0xFF7E57C2),
      500: Color(_deepPurplePrimaryValue),
      600: Color(0xFF5E35B1),
      700: Color(0xFF512DA8),
      800: Color(0xFF4527A0),
      900: Color(0xFF311B92),
    },
  );
static const int _deepPurplePrimaryValue = 0xFF673AB7;

实例

import 'package:flutter/material.dart';

const MaterialColor white = const MaterialColor(
  0xFFFFFFFF,
  <int, Color>{
    50: Color(0xFFFFFFFF),
    100: Color(0xFFFFFFFF),
    200: Color(0xFFFFFFFF),
    300: Color(0xFFFFFFFF),
    400: Color(0xFFFFFFFF),
    500: Color(0xFFFFFFFF),
    600: Color(0xFFFFFFFF),
    700: Color(0xFFFFFFFF),
    800: Color(0xFFFFFFFF),
    900: Color(0xFFFFFFFF),
  },
);

///主色调
const MaterialColor primary = const MaterialColor(
  0xfffb7299,
  const <int, Color>{50: const Color(0xffff9db5)},
);

使用

Colors.white[200]