Make stuff not public if it doesn't need to be

Assets/Scripts/CustomColorObject.cs

@@ -5,10 +5,10 @@ using UnityEngine.UI;
 
 public class CustomColorObject : MonoBehaviour
 {
-    public ColorObjectType type;
-    public bool invert;
-    public Color addMore;
-    public bool reverseAdd;
+    [SerializeField] private ColorObjectType type;
+    [SerializeField] private bool invert;
+    [SerializeField] private Color addMore;
+    [SerializeField] private bool reverseAdd;
 
     Color ApplyModifiers(Color baseColor)
     {