diff --git a/src/Classes/Project.gd b/src/Classes/Project.gd
index b5728d57e..295602e8e 100644
--- a/src/Classes/Project.gd
+++ b/src/Classes/Project.gd
@@ -765,14 +765,14 @@ func bitmap_to_image(bitmap: BitMap, square := true) -> Image:
 	var height := bitmap.get_size().y
 	if square:
 		var square_size = max(width, height)
-		image.create(square_size, square_size, false, Image.FORMAT_L8)
+		image.create(square_size, square_size, false, Image.FORMAT_LA8)
 	else:
-		image.create(width, height, false, Image.FORMAT_L8)
+		image.create(width, height, false, Image.FORMAT_LA8)
 	image.lock()
 	for x in width:
 		for y in height:
 			var pos := Vector2(x, y)
-			var color = Color(1, 1, 1) if bitmap.get_bit(pos) else Color(0, 0, 0)
+			var color = Color(1, 1, 1, 1) if bitmap.get_bit(pos) else Color(0, 0, 0, 0)
 			image.set_pixelv(pos, color)
 	image.unlock()
 	return image
diff --git a/src/Shaders/ColorReplace.shader b/src/Shaders/ColorReplace.shader
index f2c4efe2e..99f9cb6ff 100644
--- a/src/Shaders/ColorReplace.shader
+++ b/src/Shaders/ColorReplace.shader
@@ -33,5 +33,5 @@ void fragment() { // applies on each pixel seperately
 			col = new_color;
 
 	// Mix selects original color if there is selection or col if there is none
-	COLOR = mix(original_color, col, selection_color.r);
+	COLOR = mix(original_color, col, selection_color.a);
 }
diff --git a/src/Shaders/Desaturate.shader b/src/Shaders/Desaturate.shader
index 6266b797c..d7f5e0435 100644
--- a/src/Shaders/Desaturate.shader
+++ b/src/Shaders/Desaturate.shader
@@ -56,7 +56,7 @@ void fragment() {
 
 	vec3 output;
 	if(affect_selection && has_selection) {
-		output = mix(original_color.rgb, stdPrime, selection_color.r);
+		output = mix(original_color.rgb, stdPrime, selection_color.a);
 	} else {
 		output = stdPrime;
 	}
diff --git a/src/Shaders/HSV.shader b/src/Shaders/HSV.shader
index fec9908b2..9e03989ca 100644
--- a/src/Shaders/HSV.shader
+++ b/src/Shaders/HSV.shader
@@ -63,7 +63,7 @@ void fragment() {
 	col = hsb2rgb(hsb);
 	vec3 output;
 	if(affect_selection && has_selection)
-		output = mix(original_color.rgb, col, selection_color.r);
+		output = mix(original_color.rgb, col, selection_color.a);
 	else
 		output = col;
 	COLOR = vec4(output.rgb, original_color.a);
diff --git a/src/Shaders/Invert.shader b/src/Shaders/Invert.shader
index e1c38a8c0..8024450b7 100644
--- a/src/Shaders/Invert.shader
+++ b/src/Shaders/Invert.shader
@@ -26,7 +26,7 @@ void fragment() {
 
 	vec4 output;
 	if(affect_selection && has_selection)
-		output = mix(original_color.rgba, col, selection_color.r);
+		output = mix(original_color.rgba, col, selection_color.a);
 	else
 		output = col;
 
diff --git a/src/Shaders/MarchingAntsOutline.shader b/src/Shaders/MarchingAntsOutline.shader
index 9dd0b85c7..0d0d63da2 100644
--- a/src/Shaders/MarchingAntsOutline.shader
+++ b/src/Shaders/MarchingAntsOutline.shader
@@ -21,7 +21,7 @@ bool hasContraryNeighbour(vec2 uv, vec2 texture_pixel_size, sampler2D texture) {
 	vec2 xy1 = uv + texture_pixel_size * vec2(x1, y1);
 	vec2 xy2 = uv + texture_pixel_size * vec2(x2, y2);
 	
-	if (xy1 != clamp(xy1, vec2(0.0), vec2(1.0)) || texture(texture, xy1).r == 0.0 || xy2 != clamp(xy2, vec2(0.0), vec2(1.0)) || texture(texture, xy2).r == 0.0) {
+	if (xy1 != clamp(xy1, vec2(0.0), vec2(1.0)) || texture(texture, xy1).a == 0.0 || xy2 != clamp(xy2, vec2(0.0), vec2(1.0)) || texture(texture, xy2).a == 0.0) {
 		return true;
 	}
 	
@@ -32,7 +32,7 @@ void fragment() {
 	vec2 uv = UV;
 	COLOR = texture(TEXTURE, uv);
 	
-	if ((COLOR.r > 0.0) == true && hasContraryNeighbour(uv, TEXTURE_PIXEL_SIZE, TEXTURE)) {
+	if ((COLOR.a > 0.0) == true && hasContraryNeighbour(uv, TEXTURE_PIXEL_SIZE, TEXTURE)) {
 		vec4 final_color = first_color;
 		// Generate diagonal stripes
 		if(animated)