diff --git a/ggdt/tests/ref/rgba/triangle_2d_solid_multicolor_blended.png b/ggdt/tests/ref/rgba/triangle_2d_solid_multicolor_blended.png
index 5ff76a6..127d855 100644
Binary files a/ggdt/tests/ref/rgba/triangle_2d_solid_multicolor_blended.png and b/ggdt/tests/ref/rgba/triangle_2d_solid_multicolor_blended.png differ