diff --git a/libs/ui/source/color_view.cpp b/libs/ui/source/color_view.cpp
index 6d9111b8..5ece909b 100644
--- a/libs/ui/source/color_view.cpp
+++ b/libs/ui/source/color_view.cpp
@@ -29,7 +29,28 @@ namespace psemek::ui
 				box[1] = geom::expand(geom::interval<float>::singleton(box[1].center()), box[0].length() / 2.f);
 		}
 
-		p.draw_rect(box, color_);
+		if (color_[3] != 255)
+		{
+			p.draw_rect(box, {255, 255, 255, 255});
+
+			int const n = 4;
+			geom::vector<float, 2> d = box.dimensions() / (n * 1.f);
+
+			for (int x = 0; x < n; ++x)
+			{
+				for (int y = 0; y < n; ++y)
+				{
+					if ((x + y) % 2 == 0) continue;
+
+					auto origin = box.corner(0.f, 0.f) + geom::pointwise_mult(d, {x * 1.f, y});
+
+					p.draw_rect(geom::span(origin, origin + d), {191, 191, 191, 255});
+				}
+			}
+		}
+
+		if (color_[3] != 0)
+			p.draw_rect(box, color_);
 	}
 
 }