// Contrasting colors
$black-87-opacity: rgba(0, 0, 0, 87%);
$white-87-opacity: rgba(255, 255, 255, 87%);
// Dark color palettes.
$mat-dark-red: (
  500: #f44336,
  B100: #ff4336,
  B65: #a62c23,
  B40: #661b15,
  B30: #4d1410,
  B15: #330d0b,
  contrast: (
    500: $black-87-opacity,
    B100: $black-87-opacity,
    B65: $black-87-opacity,
    B40: white,
    B30: white,
    B15: white,
  ),
);

$mat-dark-pink: (
  500: #e91e63,
  B100: #ff216b,
  B65: #a41a47,
  B40: #660d2b,
  B30: #4d0a20,
  B15: #260510,
  contrast: (
    500: $black-87-opacity,
    B100: $black-87-opacity,
    B65: $black-87-opacity,
    B40: white,
    B30: white,
    B15: white,
  ),
);

$mat-dark-purple: (
  500: #9c27b0,
  B100: #ec80ff,
  B65: #9224a6,
  B40: #5a1666,
  B30: #41004d,
  B15: #210026,
  contrast: (
    500: $black-87-opacity,
    B100: $black-87-opacity,
    B65: $black-87-opacity,
    B40: white,
    B30: white,
    B15: white,
  ),
);

$mat-dark-deep-purple: (
  500: #673ab7,
  B100: #ae80ff,
  B65: #5e35a6,
  B40: #3a2166,
  B30: #1c004d,
  B15: #0e0026,
  contrast: (
    500: white,
    B100: white,
    B65: white,
    B40: white,
    B30: white,
    B15: white,
  ),
);

$mat-dark-indigo: (
  500: #3f51b5,
  B100: #8093ff,
  B65: #3a4aa6,
  B40: #242e66,
  B30: #000b4d,
  B15: #000626,
  contrast: (
    500: white,
    B100: white,
    B65: white,
    B40: white,
    B30: white,
    B15: white,
  ),
);

$mat-dark-blue: (
  500: #2196f3,
  B100: #80c6ff,
  B65: #1766a6,
  B40: #0e3f66,
  B30: #002a4d,
  B15: #001526,
  contrast: (
    500: white,
    B100: white,
    B65: white,
    B40: white,
    B30: white,
    B15: white,
  ),
);

$mat-dark-light-blue: (
  500: #03a9f4,
  B100: #80d7ff,
  B65: #0272a6,
  B40: #014666,
  B30: #00344d,
  B15: #001a26,
  contrast: (
    500: white,
    B100: white,
    B65: white,
    B40: white,
    B30: white,
    B15: white,
  ),
);

$mat-dark-cyan: (
  500: #00bcd4,
  B100: #00e1ff,
  B65: #0092a6,
  B40: #005a66,
  B30: #00444d,
  B15: #002226,
  contrast: (
    500: white,
    B100: white,
    B65: white,
    B40: white,
    B30: white,
    B15: white,
  ),
);

$mat-dark-teal: (
  500: #009688,
  B100: #00ffe5,
  B65: #00a695,
  B40: #00665c,
  B30: #004d45,
  B15: #002622,
  contrast: (
    500: white,
    B100: white,
    B65: white,
    B40: white,
    B30: white,
    B15: white,
  ),
);

$mat-dark-green: (
  500: #4caf50,
  B100: #6eff72,
  B65: #47a64a,
  B40: #2c662e,
  B30: #214d22,
  B15: #102611,
  contrast: (
    500: white,
    B100: white,
    B65: white,
    B40: white,
    B30: white,
    B15: white,
  ),
);

$mat-dark-light-green: (
  500: #8bc34a,
  B100: #b5ff61,
  B65: #76a63f,
  B40: #486627,
  B30: #364d1d,
  B15: #1b260f,
  contrast: (
    500: $black-87-opacity,
    B100: $black-87-opacity,
    B65: white,
    B40: white,
    B30: white,
    B15: white,
  ),
);

$mat-dark-lime: (
  500: #cddc39,
  B100: #ecff42,
  B65: #99a62b,
  B40: #5e661b,
  B30: #474d14,
  B15: #172621,
  contrast: (
    500: $black-87-opacity,
    B100: $black-87-opacity,
    B65: $black-87-opacity,
    B40: white,
    B30: white,
    B15: white,
  ),
);

$mat-dark-yellow: (
  500: #ffeb3b,
  B100: #ffeb3b,
  B65: #a69926,
  B40: #665e17,
  B30: #4d4712,
  B15: #26160c,
  contrast: (
    500: $black-87-opacity,
    B100: $black-87-opacity,
    B65: $black-87-opacity,
    B40: white,
    B30: white,
    B15: white,
  ),
);

$mat-dark-amber: (
  500: #ffc107,
  B100: #ffc107,
  B65: #a67e05,
  B40: #664d03,
  B30: #4d3a02,
  B15: #261c15,
  contrast: (
    500: $black-87-opacity,
    B100: $black-87-opacity,
    B65: $black-87-opacity,
    B40: white,
    B30: white,
    B15: white,
  ),
);

$mat-dark-orange: (
  500: #ff9800,
  B100: #ff9800,
  B65: #a66300,
  B40: #663d00,
  B30: #4d2e00,
  B15: #261700,
  contrast: (
    500: $black-87-opacity,
    B100: $black-87-opacity,
    B65: $black-87-opacity,
    B40: white,
    B30: white,
    B15: white,
  ),
);

$mat-dark-deep-orange: (
  500: #ff5722,
  B100: #ff5722,
  B65: #a63716,
  B40: #66220d,
  B30: #4d190a,
  B15: #260d05,
  contrast: (
    500: $black-87-opacity,
    B100: $black-87-opacity,
    B65: $black-87-opacity,
    B40: white,
    B30: white,
    B15: white,
  ),
);

$mat-dark-brown: (
  500: #795548,
  B100: #ffb499,
  B65: #a67563,
  B40: #66483d,
  B30: #4d362e,
  B15: #261b17,
  contrast: (
    500: white,
    B100: white,
    B65: white,
    B40: white,
    B30: white,
    B15: white,
  ),
);

$mat-dark-grey: (
  500: #9e9e9e,
  B100: #ffffff,
  B65: #a6a6a6,
  B40: #666666,
  B30: #4d4d4d,
  B15: #262626,
  contrast: (
    500: $black-87-opacity,
    B100: $black-87-opacity,
    B65: $black-87-opacity,
    B40: white,
    B30: white,
    B15: white,
  ),
);

$mat-dark-blue-grey: (
  500: #607d8b,
  B100: #b0e5ff,
  B65: #7295a6,
  B40: #465b66,
  B30: #35454d,
  B15: #1a2226,
  contrast: (
    500: white,
    B100: white,
    B65: white,
    B40: white,
    B30: white,
    B15: white,
  ),
);