AdminLTE/build/scss/_colors.scss

/*
 * Misc: Colors
 * ------------
 */

// Background colors (theme colors)
@each $name, $color in $theme-colors {
  .bg-#{$name} {
    &,
    > a {
      color: color-yiq($color) !important;
    }

    &.btn {
      &.disabled,
      &:disabled,
      &:not(:disabled):not(.disabled):active,
      &:not(:disabled):not(.disabled).active,
      .show > &.dropdown-toggle {
        background-image: none !important;
      }

      &:hover {
        @include bg-gradient-variant('&', darken($color, 7.5%));
        border-color: darken($color, 10%);
        color: color-yiq(darken($color, 7.5%));
      }

      &:active,
      &.active {
        @include bg-gradient-variant('&', darken($color, 10%));
        border-color: darken($color, 12.5%);
        color: color-yiq(darken($color, 10%));
      }
    }
  }
}

// Background colors (colors)
@each $name, $color in $colors {
  .bg-#{$name} {
    background-color: #{$color};
    &,
    > a {
      color: color-yiq($color) !important;
    }

    &.btn {
      &.disabled,
      &:disabled,
      &:not(:disabled):not(.disabled):active,
      &:not(:disabled):not(.disabled).active,
      .show > &.dropdown-toggle {
        background-image: none !important;
      }

      &:hover {
        @include bg-gradient-variant('&', darken($color, 7.5%));
        border-color: darken($color, 10%);
        color: color-yiq(darken($color, 7.5%));
      }

      &:active,
      &.active {
        @include bg-gradient-variant('&', darken($color, 10%));
        border-color: darken($color, 12.5%);
        color: color-yiq(darken($color, 10%));
      }
    }
  }
}

.bg-gray {
  background-color: $gray-500;
  color: color-yiq($gray-500);
}

.bg-gray-light {
  background-color: lighten($gray-200, 3%);
  color: color-yiq(lighten($gray-200, 3%)) !important;
}

.bg-black {
  background-color: $black;
  color: color-yiq($black) !important;
}

.bg-white {
  background-color: $white;
  color: color-yiq($white) !important;
}

// Gradient Background colors (theme colors)
@each $name, $color in $theme-colors {
  .bg-gradient-#{$name} {
    @include bg-gradient-variant('&', $color);
    color: color-yiq($color);

    &.btn {
      &.disabled,
      &:disabled,
      &:not(:disabled):not(.disabled):active,
      &:not(:disabled):not(.disabled).active,
      .show > &.dropdown-toggle {
        background-image: none !important;
      }

      &:hover {
        @include bg-gradient-variant('&', darken($color, 7.5%));
        border-color: darken($color, 10%);
        color: color-yiq(darken($color, 7.5%));
      }

      &:active,
      &.active {
        @include bg-gradient-variant('&', darken($color, 10%));
        border-color: darken($color, 12.5%);
        color: color-yiq(darken($color, 10%));
      }
    }
  }
}

// Gradient Background colors (colors)
@each $name, $color in $colors {
  .bg-gradient-#{$name} {
    @include bg-gradient-variant('&', $color);
    color: color-yiq($color);

    &.btn {
      &.disabled,
      &:disabled,
      &:not(:disabled):not(.disabled):active,
      &:not(:disabled):not(.disabled).active,
      .show > &.dropdown-toggle {
        background-image: none !important;
      }

      &:hover {
        @include bg-gradient-variant('&', darken($color, 7.5%));
        border-color: darken($color, 10%);
        color: color-yiq(darken($color, 7.5%));
      }

      &:active,
      &.active {
        @include bg-gradient-variant('&', darken($color, 10%));
        border-color: darken($color, 12.5%);
        color: color-yiq(darken($color, 10%));
      }
    }
  }
}

// Backgrund Color Disabled
[class^='bg-'].disabled {
  opacity: .65;
}

// Text muted hover
a.text-muted:hover {
  color: theme-color(primary) !important;
}

// Link Styles
.link-muted {
  color: darken($gray-500, 30%);

  &:hover,
  &:focus {
    color: darken($gray-500, 40%);
  }
}

.link-black {
  color: $gray-600;

  &:hover,
  &:focus {
    color: lighten($gray-500, 20%);
  }
}