flutter 好看的主題色

  static const Color nearlyWhite = Color(0xFFFAFAFA);
  static const Color white = Color(0xFFFFFFFF);
  static const Color background = Color(0xFFF2F3F8);
  static const Color nearlyDarkBlue = Color(0xFF2633C5);
  static const Color nearlyLinearGradientBlue = Color(0xFF6F56E8);

  static const Color nearlyBlue = Color(0xFF00B6F0);
  static const Color nearlyBlack = Color(0xFF213333);
  static const Color grey = Color(0xFF3A5160);
  static const Color dark_grey = Color(0xFF313A44);

  static const Color darkText = Color(0xFF253840);
  static const Color darkerText = Color(0xFF17262A);
  static const Color lightText = Color(0xFF4A6572);
  static const Color deactivatedText = Color(0xFF767676);
  static const Color dismissibleBackground = Color(0xFF364A54);
  static const Color spacer = Color(0xFFF2F2F2);

陰影

BoxShadow(
    color: FitnessAppTheme.nearlyBlack
        .withOpacity(0.4),
    offset: Offset(8.0, 8.0),
    blurRadius: 8.0),

BoxShadow(
  color: FitnessAppTheme.grey.withOpacity(0.4),
  offset: const Offset(1.1, 1.1),
  blurRadius: 10.0),