diff --git a/kwin/fire/onSettingsChanged.js b/kwin/fire/onSettingsChanged.js
index d6ef48d..82fe9a4 100644
--- a/kwin/fire/onSettingsChanged.js
+++ b/kwin/fire/onSettingsChanged.js
@@ -7,8 +7,8 @@ effect.setUniform(this.shader, 'u3DNoise',
                   effect.readConfig('3DNoise', true) ? 1.0 : 0.0);
 effect.setUniform(this.shader, 'uScale', effect.readConfig('Scale', 1.0));
 effect.setUniform(this.shader, 'uMovementSpeed', effect.readConfig('MovementSpeed', 1.0));
-effect.setUniform(this.shader, 'uGradient1', effect.readConfig('Gradient1', 'white'));
-effect.setUniform(this.shader, 'uGradient2', effect.readConfig('Gradient2', 'white'));
-effect.setUniform(this.shader, 'uGradient3', effect.readConfig('Gradient3', 'white'));
-effect.setUniform(this.shader, 'uGradient4', effect.readConfig('Gradient4', 'white'));
-effect.setUniform(this.shader, 'uGradient5', effect.readConfig('Gradient5', 'white'));
+effect.setUniform(this.shader, 'uGradient1', this.readRGBAConfig('Gradient1'));
+effect.setUniform(this.shader, 'uGradient2', this.readRGBAConfig('Gradient2'));
+effect.setUniform(this.shader, 'uGradient3', this.readRGBAConfig('Gradient3'));
+effect.setUniform(this.shader, 'uGradient4', this.readRGBAConfig('Gradient4'));
+effect.setUniform(this.shader, 'uGradient5', this.readRGBAConfig('Gradient5'));
diff --git a/kwin/hexagon/onSettingsChanged.js b/kwin/hexagon/onSettingsChanged.js
index b7a8b20..c64a254 100644
--- a/kwin/hexagon/onSettingsChanged.js
+++ b/kwin/hexagon/onSettingsChanged.js
@@ -6,5 +6,5 @@ effect.setUniform(this.shader, 'uAdditiveBlending',
                   effect.readConfig('AdditiveBlending', true) ? 1.0 : 0.0);
 effect.setUniform(this.shader, 'uScale', effect.readConfig('Scale', 1.0));
 effect.setUniform(this.shader, 'uLineWidth', effect.readConfig('LineWidth', 1.0));
-effect.setUniform(this.shader, 'uGlowColor', effect.readConfig('GlowColor', 'white'));
-effect.setUniform(this.shader, 'uLineColor', effect.readConfig('LineColor', 'white'));
+effect.setUniform(this.shader, 'uGlowColor', this.readRGBAConfig('GlowColor'));
+effect.setUniform(this.shader, 'uLineColor', this.readRGBAConfig('LineColor'));
diff --git a/kwin/wisps/onSettingsChanged.js b/kwin/wisps/onSettingsChanged.js
index 6928ce8..a7845fc 100644
--- a/kwin/wisps/onSettingsChanged.js
+++ b/kwin/wisps/onSettingsChanged.js
@@ -4,4 +4,4 @@
 
 effect.setUniform(this.shader, 'uDuration', this.duration * 0.001);
 effect.setUniform(this.shader, 'uScale', effect.readConfig('Scale', 1.0));
-effect.setUniform(this.shader, 'uColor', effect.readConfig('Color', 'white'));
+effect.setUniform(this.shader, 'uColor', this.readRGBAConfig('Color'));