// minHueDiffAngle = 60

// create an array of hues to pick from.
  const baseHue = random(0, 360);
  const hues = new Array(Math.round( 360 / minHueDiffAngle) ).fill('').map((offset, i) => {
    return (baseHue + i * minHueDiffAngle) % 360;
  });

  //  low saturation color
  const baseSaturation = random(5, 40);
  const baseLightness = random(0, 20);
  const rangeLightness = 90 - baseLightness;

  colors.push(
    hsluvToHex([
      hues[0],
      baseSaturation,
      baseLightness * random(0.25, 0.75),
    ])
  );

  // random shades
  const minSat = random(50, 70);
  const maxSat = minSat + 30;
  const minLight = random(35, 70);
  const maxLight = Math.min(minLight + random(20, 40), 95);
  // const lightDiff = maxLight - minLight;

  const remainingHues = [...hues];

  for (let i = 0; i < parts - 2; i++) {
    const hue = remainingHues.splice(random(0, remainingHues.length - 1),1)[0];
    const saturation = random(minSat, maxSat);
    const light = baseLightness + random(0,10) + ((rangeLightness/(parts - 1)) * i);

    colors.push( 
      hsluvToHex([
        hue,
        saturation,
        random(light, maxLight),
      ])
    )
  }
  
  colors.push( 
    hsluvToHex([
      remainingHues[0],
      baseSaturation,
      rangeLightness + 10,
    ])
  );

  chroma.scale(colors)
        .padding(.175)
        .mode('lab')
        .colors(6);