@atlaskit/adf-schema/dist/es2019/utils/get-dark-mode-lch-color.js

Shared package that contains the ADF-schema (json) and ProseMirror node/mark specs

import { clampLightness } from './clamp-lightness';
import { rgbFromHex } from './rgb-from-hex';
import { rgbToLch } from './rgb-to-lch';
const getLightness = color => {
  const rgb = rgbFromHex(color);
  if (rgb === null) {
    return 0;
  }
  const lch = rgbToLch(rgb);
  return lch.l;
};
export const getDarkModeLCHColor = currentBackgroundColor => {
  const lightness = getLightness(currentBackgroundColor);
  const newLightness = Math.abs(100 - lightness);
  return clampLightness(currentBackgroundColor, newLightness).toUpperCase();
};