diff --git a/taxonium_component/src/components/ColorPicker.jsx b/taxonium_component/src/components/ColorPicker.jsx
index 9d1e4290..cd329808 100644
--- a/taxonium_component/src/components/ColorPicker.jsx
+++ b/taxonium_component/src/components/ColorPicker.jsx
@@ -75,6 +75,7 @@ function ColorPicker({ color, setColor }) {
         color={rgbColor}
         onChange={handleColorChange}
         presetColors={[]}
+        disableAlpha={true}
       />
     </div>
   );