[data-swatch]::before {
  background-color: rgba(var(--text-color) / 0.08);
}

[data-swatch="red"]:before { background-color: #FF0000}[data-swatch="white"]:before { background-color: #FFFFFF}[data-swatch="blue"]:before { background-color: #003F9C}[data-swatch="pink"]:before { background-color: #FF44FF}