add better string representation of color objects

utils.py

@@ -129,6 +129,9 @@ class Color3i:
         self.g = g
         self.b = b
 
+    def __str__(self):
+        return f"{self.__class__.__name__}({self.r}, {self.g}, {self.b})"
+
 
 class Color4f:
     """Color RGBA as float"""
@@ -138,3 +141,13 @@ class Color4f:
         self.g = g
         self.b = b
         self.a = a
+
+    def __str__(self):
+        max_precision = 3
+
+        r = round(self.r, max_precision)
+        g = round(self.g, max_precision)
+        b = round(self.b, max_precision)
+        a = round(self.a, max_precision)
+
+        return f"{self.__class__.__name__}({r}, {g}, {b}, {a})"