@material-vega/core/lib/utils/color.js

Material Design stylized themes for Vega Lite visualizations

// import * as colorString from 'color-string';
// /**
//  * Extracts the alpha value of a color
//  * Returning an opaque rgb color and an alpha value
//  */
// export const extractColorAlpha = (
//   color: string
// ): { color: string; alpha: number } => {
//   const rgba = colorString.get.rgb(color);
//   const rgb = rgba.slice(0, 3);
//   return {
//     color: colorString.to.rgb(rgb),
//     alpha: rgba[3]
//   };
// };