inactiveGray constant
Used in iOS 13 for unselected selectables such as tab bar items in their inactive state or de-emphasized subtitles and details text.
Not the same grey as disabled buttons etc.
This is the disabled color in the iOS palette.
Implementation
static const CupertinoDynamicColor inactiveGray = CupertinoDynamicColor.withBrightness(
debugLabel: 'inactiveGray',
color: Color(0xFF999999),
darkColor: Color(0xFF757575),
);