diff --git a/libs/gfx/include/psemek/gfx/color.hpp b/libs/gfx/include/psemek/gfx/color.hpp
index 845776c6..bcce16b3 100644
--- a/libs/gfx/include/psemek/gfx/color.hpp
+++ b/libs/gfx/include/psemek/gfx/color.hpp
@@ -83,19 +83,6 @@ namespace psemek::gfx
 		return to_coloru8(lerp(to_colorf(c0), to_colorf(c1), t));
 	}
 
-	inline color_4f blend(color_4f const & c0, color_4f const & c1)
-	{
-		color_4f result = lerp(c0, c1, c1[3]);
-		result[3] = c0[3] * (1.f - c1[3]) + c1[3];
-		return result;
-	}
-
-	template <std::size_t N>
-	auto blend(geom::vector<std::uint8_t, N> const & c0, geom::vector<std::uint8_t, N> const & c1, float t)
-	{
-		return to_coloru8(blend(to_colorf(c0), to_colorf(c1), t));
-	}
-
 	template <std::size_t N>
 	auto to_srgb(geom::vector<float, N> const & c, float g = 1.f / 2.2f)
 	{
@@ -182,6 +169,19 @@ namespace psemek::gfx
 		};
 	}
 
+	inline color_4f blend(color_4f const & c0, color_4f const & c1)
+	{
+		color_4f result = c0 * c0[3] * (1.f - c1[3]) + c1 * c1[3];
+		result[3] = c0[3] + c1[3] - c0[3] * c1[3];
+		return unpremult(result);
+	}
+
+	template <std::size_t N>
+	auto blend(geom::vector<std::uint8_t, N> const & c0, geom::vector<std::uint8_t, N> const & c1, float t)
+	{
+		return to_coloru8(blend(to_colorf(c0), to_colorf(c1), t));
+	}
+
 	template <std::size_t N>
 	struct as_hex
 	{