diff --git a/ggdt/src/graphics/bitmap/rgb/triangles.rs b/ggdt/src/graphics/bitmap/rgb/triangles.rs
index b02ee48..2f214d2 100644
--- a/ggdt/src/graphics/bitmap/rgb/triangles.rs
+++ b/ggdt/src/graphics/bitmap/rgb/triangles.rs
@@ -2,6 +2,7 @@ use crate::graphics::bitmap::rgb::RgbaBitmap;
 use crate::graphics::bitmap::triangles::{edge_function, per_pixel_triangle_2d};
 use crate::graphics::color::{from_rgb32_normalized, multiply_argb32, tint_argb32, to_rgb32_normalized, BlendFunction};
 use crate::math::vector2::Vector2;
+use crate::prelude::{from_argb32_normalized, to_argb32_normalized};
 
 #[derive(Debug, Clone, PartialEq)]
 pub enum RgbaTriangle2d<'a> {
@@ -110,19 +111,20 @@ impl RgbaBitmap {
 			}
 			SolidMultiColorBlended { position, color, blend } => {
 				let inverse_area = 1.0 / edge_function(position[0], position[1], position[2]);
-				let (r1, g1, b1) = from_rgb32_normalized(color[0]);
-				let (r2, g2, b2) = from_rgb32_normalized(color[1]);
-				let (r3, g3, b3) = from_rgb32_normalized(color[2]);
+				let (a1, r1, g1, b1) = from_argb32_normalized(color[0]);
+				let (a2, r2, g2, b2) = from_argb32_normalized(color[1]);
+				let (a3, r3, g3, b3) = from_argb32_normalized(color[2]);
 				per_pixel_triangle_2d(
 					self, //
 					position[0],
 					position[1],
 					position[2],
 					|dest_pixels, w0, w1, w2| {
+						let a = (w0 * a1 + w1 * a2 + w2 * a3) * inverse_area;
 						let r = (w0 * r1 + w1 * r2 + w2 * r3) * inverse_area;
 						let g = (w0 * g1 + w1 * g2 + w2 * g3) * inverse_area;
 						let b = (w0 * b1 + w1 * b2 + w2 * b3) * inverse_area;
-						*dest_pixels = blend.blend(to_rgb32_normalized(r, g, b), *dest_pixels)
+						*dest_pixels = blend.blend(to_argb32_normalized(a, r, g, b), *dest_pixels)
 					},
 				)
 			}
@@ -191,21 +193,22 @@ impl RgbaBitmap {
 			}
 			SolidTexturedMultiColoredBlended { position, texcoord, color, bitmap, blend } => {
 				let inverse_area = 1.0 / edge_function(position[0], position[1], position[2]);
-				let (r1, g1, b1) = from_rgb32_normalized(color[0]);
-				let (r2, g2, b2) = from_rgb32_normalized(color[1]);
-				let (r3, g3, b3) = from_rgb32_normalized(color[2]);
+				let (a1, r1, g1, b1) = from_argb32_normalized(color[0]);
+				let (a2, r2, g2, b2) = from_argb32_normalized(color[1]);
+				let (a3, r3, g3, b3) = from_argb32_normalized(color[2]);
 				per_pixel_triangle_2d(
 					self, //
 					position[0],
 					position[1],
 					position[2],
 					|dest_pixels, w0, w1, w2| {
+						let a = (w0 * a1 + w1 * a2 + w2 * a3) * inverse_area;
 						let r = (w0 * r1 + w1 * r2 + w2 * r3) * inverse_area;
 						let g = (w0 * g1 + w1 * g2 + w2 * g3) * inverse_area;
 						let b = (w0 * b1 + w1 * b2 + w2 * b3) * inverse_area;
 						let u = (w0 * texcoord[0].x + w1 * texcoord[1].x + w2 * texcoord[2].x) * inverse_area;
 						let v = (w0 * texcoord[0].y + w1 * texcoord[1].y + w2 * texcoord[2].y) * inverse_area;
-						let src = multiply_argb32(bitmap.sample_at(u, v), to_rgb32_normalized(r, g, b));
+						let src = multiply_argb32(bitmap.sample_at(u, v), to_argb32_normalized(a, r, g, b));
 						*dest_pixels = blend.blend(src, *dest_pixels)
 					},
 				)