generateTextAndBg(color) {
  let bg = Color(color);
  const text = bg.isLight() ? bg.darken(.5) : bg.lighten(.5);

  let constrast = text.contrast(bg);

  while (constrast < MIN_CONTRAST) {
    bg = text.isLight() ? bg.darken(0.5) : bg.lighten(0.5);
    constrast = text.contrast(bg);
  }
  return {
    text: text.string(),
    bg: bg.string()
  };
},