open-consul/ui/packages/consul-ui/app/components/consul/intention/search-bar/index.scss

.consul-intention-search-bar {
  .value-allow button::before {
    @extend %with-arrow-right-color-mask, %as-pseudo;
    color: $green-500;
  }
  .value-deny button::before {
    @extend %with-deny-color-icon, %as-pseudo;
  }
}