diff --git a/src/utils.ts b/src/utils.ts
index f102c6a704f..e02d95473d8 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -449,7 +449,17 @@ export function rgbaToInt(rgba: integer[]): integer {
   return (rgba[0] << 24) + (rgba[1] << 16) + (rgba[2] << 8) + rgba[3];
 }
 
-export function hslToHex(h: number, s: number, l: number) {
+/**
+ * Provided valid HSV values, calculates and stitches together a string of that
+ * HSV color's corresponding hex code.
+ *
+ * Sourced from {@link https://stackoverflow.com/a/44134328}.
+ * @param h Hue in degrees, must be in a range of [0, 360]
+ * @param s Saturation percentage, must be in a range of [0, 1]
+ * @param l Ligthness percentage, must be in a range of [0, 1]
+ * @returns a string of the corresponding color hex code with a "#" prefix
+ */
+export function hslToHex(h: number, s: number, l: number): string {
   const a = s * Math.min(l, 1 - l);
   const f = (n: number) => {
     const k = (n + h / 30) % 12;