pickColors = () => {
const start = randInt(720) % 360
const step = randInt(1, 180)
const hues = [
(360 + start - step * 2) % 360,
(360 + start - step) % 360,
start,
(start + step) % 360,
(start + step * 2) % 360
]
return hues.map((hue, i) => {
const w = width / hues.length
const x = w * i
const saturation = randInt(100)
const brightness = randInt(100)
return `hsl(${hue}, ${saturation}%, ${brightness}%)`
})
}