diff --git a/index.html b/index.html
index b60ba71..8abfccb 100644
--- a/index.html
+++ b/index.html
@@ -30,9 +30,10 @@
         glyphSequenceLength: 27,
         palette: [
           {color: new THREE.Vector3(0.00, 0.00, 0.00), at: 0.0},
-          {color: new THREE.Vector3(0.52, 0.00, 0.00), at: 0.4},
-          {color: new THREE.Vector3(0.82, 0.05, 0.05), at: 0.8},
-          {color: new THREE.Vector3(1.00, 0.40, 0.30), at: 1.0},
+          {color: new THREE.Vector3(0.52, 0.00, 0.00), at: 0.2},
+          {color: new THREE.Vector3(0.82, 0.05, 0.05), at: 0.4},
+          {color: new THREE.Vector3(1.00, 0.60, 0.30), at: 0.8},
+          {color: new THREE.Vector3(1.00, 1.00, 0.90), at: 1.0},
         ],
         fallSpeed: 0.4,
         cycleSpeed: 0.5,
diff --git a/js/MatrixRenderer.js b/js/MatrixRenderer.js
index c4985d3..ade4b19 100644
--- a/js/MatrixRenderer.js
+++ b/js/MatrixRenderer.js
@@ -63,7 +63,7 @@ const glyphVariable = gpuCompute.addVariable(
       float newBrightness = 3.0 * log(value * 1.25);
 
       #ifdef hasThunder
-        float thunder = 10.0 * (pow(sin(SQRT_5 * simTime), 1000.0) + pow(sin(SQRT_2 * simTime), 1000.0)) + 0.5;
+        float thunder = 10.0 * (pow(pow(sin(SQRT_5 * simTime), 10.0), 10.0) + pow(pow(sin(SQRT_2 * simTime), 10.0), 10.0)) + 0.6;
 
         newBrightness *= thunder;
 
@@ -72,6 +72,7 @@ const glyphVariable = gpuCompute.addVariable(
         } else {
           brightness = mix(brightness, newBrightness, brightnessChangeBias * 0.1);
         }
+        brightness = min(1.0, brightness);
       #else
         brightness = mix(brightness, newBrightness, brightnessChangeBias);
       #endif