diff --git a/SketchWidget.py b/SketchWidget.py
index f9c77ee..1e738e6 100644
--- a/SketchWidget.py
+++ b/SketchWidget.py
@@ -23,8 +23,8 @@ class SketchWidget:
         self.axis_width = 2.0
         self.axis_length = 50
         self.zoom_factor = 1.2
-        self.background_color = (0.6, 0.9, 1.0, 1.0)
-        self.line_color = (0.1, 0.4, 1.0, 1.0)
+        self.background_color = (0.0, 0.05, 0.1, 1.0)
+        self.line_color = (0.1, 0.6, 1.0, 1.0)
         self.axis_color = (1.0, 0.0, 0.0, 1.0)
         self.constraint_color = (0.8, 1.0, 0.0, 1.0)