diff --git a/libs/blueui.js b/libs/blueui.js
index 8e979e5..6a08144 100644
--- a/libs/blueui.js
+++ b/libs/blueui.js
@@ -151,3 +151,34 @@ class buiWindow {
 	function close () {
 	}
 }
+
+function hexGradiant(
+	value=1,
+	low=0,
+	high=100,
+	rwave = n => (100 * Math.sin(n / 10)) + (n - 30) * 2,
+	gwave = n => (n - 50) * (n - 75) * (0 - 1) / 10 + 100,
+	bwave = n => (n - 25) * (n - 25) * (0 - 1) / 5 + 100
+) {
+	var range = Math.max(0,Math.min(1,(value - low)/(high - low)))*100;
+
+	var r = rwave(range) * 2;
+	var g = gwave(range) * 2;
+	var b = bwave(range) * 2;
+
+	var brightness = 270; // out of 768 (white)
+
+	// Normaliz rgb values to within the brightness level
+	if (r+g+b < brightness) {
+		brightness -= (r+g+b);
+		r += (brightness/3);
+		g += (brightness/3);
+		b += (brightness/3);
+	}
+
+	return "#"+
+		parseInt(Math.min(Math.max(0,r),255).toFixed(0)).toString(16).padStart(2,"0")+
+		parseInt(Math.min(Math.max(0,g),255).toFixed(0)).toString(16).padStart(2,"0")+
+		parseInt(Math.min(Math.max(0,b),255).toFixed(0)).toString(16).padStart(2,"0");
+}
+