Javascript generate random appealing colors

generate.js

/*
 * Generate appealing random colors using HSV
 * https://martin.ankerl.com/2009/12/09/how-to-create-random-colors-programmatically/ 
 */
// needed to keep colors random from each other
const golden_ratio_conjugate = 0.618033988749895
// using hsb create perdictable rgb values
function hsv_to_rgb(h, s, v){
  h_i = parseInt(h*6)
  let f = h*6 - h_i
  let p = v * (1 - s)
  let q = v * (1 - f*s)
  let t = v * (1 - (1 - f) * s)
  let r = g = b = 0
  if(h_i === 0 ) {  r = v;  g = t;  b = p } 
  if(h_i === 1 ) {  r = q;  g = v;  b = p } 
  if(h_i === 2 ) {  r = p;  g = v;  b = t } 
  if(h_i === 3 ) {  r = p;  g = q;  b = v } 
  if(h_i === 4 ) {  r = t;  g = p;  b = v } 
  if(h_i === 5 ) {  r = v;  g = p;  b = q } 
  return `rgba(${parseInt(r*256)}, ${parseInt(g*256)}, ${parseInt(b*256)}, 1)`
}
// call hsv_to_rgb using random value + hue and saturation
function generate_random_color( ){
  let rand = Math.random()
  let h = rand + golden_ratio_conjugate
  h %= 1
  return hsv_to_rgb(h, 0.3, 0.99)
}

console.log(generate_random_color())