highContrastDark property
High-contrast dark variant (see highContrastLight): light key faces on black, a yellow, heavier focus ring.
Implementation
static final CalcThemeData highContrastDark = CalcThemeData(
brightness: Brightness.dark,
background: const Color(0xFF000000),
displayText: const Color(0xFFFFFFFF),
previewText: const Color(0xFFD5D9E0),
errorText: const Color(0xFFFFB4AB),
caret: const Color(0xFFFFE14D),
focusRing: const Color(0xFFFFE14D),
focusRingWidth: 3,
digitKey: const KeyStyle(fill: Color(0xFF8A8F99), label: Color(0xFF000000)),
functionKey: const KeyStyle(
fill: Color(0xFFD5D9E0),
label: Color(0xFF000000),
labelWeight: FontWeight.w500,
),
operatorKey: const KeyStyle(
fill: Color(0xFF9CC0FF),
label: Color(0xFF000000),
labelWeight: FontWeight.w600,
),
equalsKey: const KeyStyle(
fill: Color(0xFFFFFFFF),
label: Color(0xFF000000),
labelWeight: FontWeight.w600,
),
);