diff --git a/internal/painter/gl/draw.go b/internal/painter/gl/draw.go
index 43a890221b..f0ebd5e0fd 100644
--- a/internal/painter/gl/draw.go
+++ b/internal/painter/gl/draw.go
@@ -235,15 +235,15 @@ func (p *painter) drawSingleChannelTexture(o fyne.CanvasObject, creator func(can
 	}
 
 	points := p.rectCoords(size, pos, frame, canvas.ImageFillStretch, 0, pad)
-	p.ctx.UseProgram(p.grayProgram)
+	p.ctx.UseProgram(p.singleChannelProgram)
 	vbo := p.createBuffer(points)
-	p.defineVertexArray(p.grayProgram, "vert", 3, 5, 0)
-	p.defineVertexArray(p.grayProgram, "vertTexCoord", 2, 5, 3)
+	p.defineVertexArray(p.singleChannelProgram, "vert", 3, 5, 0)
+	p.defineVertexArray(p.singleChannelProgram, "vertTexCoord", 2, 5, 3)
 
 	p.ctx.BlendFunc(srcAlpha, oneMinusSrcAlpha)
 	p.logError()
 
-	shaderColor := p.ctx.GetUniformLocation(p.grayProgram, "color")
+	shaderColor := p.ctx.GetUniformLocation(p.singleChannelProgram, "color")
 	r, g, b, a := getFragmentColor(c)
 	p.ctx.Uniform4f(shaderColor, r, g, b, a)
 
diff --git a/internal/painter/gl/gl_core.go b/internal/painter/gl/gl_core.go
index 9c8b18eb50..443892fdf4 100644
--- a/internal/painter/gl/gl_core.go
+++ b/internal/painter/gl/gl_core.go
@@ -74,7 +74,7 @@ func (p *painter) Init() {
 	gl.Enable(gl.BLEND)
 	p.logError()
 	p.program = p.createProgram("simple")
-	p.grayProgram = p.createProgram("gray")
+	p.singleChannelProgram = p.createProgram("single_channel")
 	p.lineProgram = p.createProgram("line")
 	p.rectangleProgram = p.createProgram("rectangle")
 	p.roundRectangleProgram = p.createProgram("round_rectangle")
diff --git a/internal/painter/gl/gl_es.go b/internal/painter/gl/gl_es.go
index f6072d47ef..1c5df0ad4d 100644
--- a/internal/painter/gl/gl_es.go
+++ b/internal/painter/gl/gl_es.go
@@ -81,7 +81,7 @@ func (p *painter) Init() {
 	gl.Enable(gl.BLEND)
 	p.logError()
 	p.program = p.createProgram("simple_es")
-	p.grayProgram = p.createProgram("gray_es")
+	p.singleChannelProgram = p.createProgram("single_channel_es")
 	p.lineProgram = p.createProgram("line_es")
 	p.rectangleProgram = p.createProgram("rectangle_es")
 	p.roundRectangleProgram = p.createProgram("round_rectangle_es")
diff --git a/internal/painter/gl/gl_gomobile.go b/internal/painter/gl/gl_gomobile.go
index d2ac00d1df..74b1d740f8 100644
--- a/internal/painter/gl/gl_gomobile.go
+++ b/internal/painter/gl/gl_gomobile.go
@@ -71,7 +71,7 @@ func (p *painter) Init() {
 	p.glctx().Disable(gl.DepthTest)
 	p.glctx().Enable(gl.Blend)
 	p.program = p.createProgram("simple_es")
-	p.grayProgram = p.createProgram("gray_es")
+	p.singleChannelProgram = p.createProgram("single_channel_es")
 	p.lineProgram = p.createProgram("line_es")
 	p.rectangleProgram = p.createProgram("rectangle_es")
 	p.roundRectangleProgram = p.createProgram("round_rectangle_es")
diff --git a/internal/painter/gl/gl_goxjs.go b/internal/painter/gl/gl_goxjs.go
index 6647272cd3..7fbd9b2052 100644
--- a/internal/painter/gl/gl_goxjs.go
+++ b/internal/painter/gl/gl_goxjs.go
@@ -66,7 +66,7 @@ func (p *painter) Init() {
 	gl.Enable(gl.BLEND)
 	p.logError()
 	p.program = p.createProgram("simple_es")
-	p.grayProgram = p.createProgram("gray_es")
+	p.singleChannelProgram = p.createProgram("single_channel_es")
 	p.lineProgram = p.createProgram("line_es")
 	p.rectangleProgram = p.createProgram("rectangle_es")
 	p.roundRectangleProgram = p.createProgram("round_rectangle_es")
diff --git a/internal/painter/gl/painter.go b/internal/painter/gl/painter.go
index e95c6880dd..0de1245850 100644
--- a/internal/painter/gl/painter.go
+++ b/internal/painter/gl/painter.go
@@ -20,10 +20,10 @@ func shaderSourceNamed(name string) ([]byte, []byte) {
 		return shaderSimpleVert.StaticContent, shaderSimpleFrag.StaticContent
 	case "simple_es":
 		return shaderSimpleesVert.StaticContent, shaderSimpleesFrag.StaticContent
-	case "gray":
-		return shaderSimpleVert.StaticContent, shaderGrayFrag.StaticContent
-	case "gray_es":
-		return shaderSimpleesVert.StaticContent, shaderGrayesFrag.StaticContent
+	case "single_channel":
+		return shaderSimpleVert.StaticContent, shaderSinglechannelFrag.StaticContent
+	case "single_channel_es":
+		return shaderSimpleesVert.StaticContent, shaderSinglechannelesFrag.StaticContent
 	case "rectangle":
 		return shaderRectangleVert.StaticContent, shaderRectangleFrag.StaticContent
 	case "round_rectangle":
@@ -71,7 +71,7 @@ type painter struct {
 	ctx                   context
 	contextProvider       driver.WithContext
 	program               Program
-	grayProgram           Program
+	singleChannelProgram  Program
 	lineProgram           Program
 	rectangleProgram      Program
 	roundRectangleProgram Program
diff --git a/internal/painter/gl/shaders.go b/internal/painter/gl/shaders.go
index de1afdfd41..d4b6bfb427 100644
--- a/internal/painter/gl/shaders.go
+++ b/internal/painter/gl/shaders.go
@@ -5,16 +5,6 @@ package gl
 
 import "fyne.io/fyne/v2"
 
-var shaderGrayFrag = &fyne.StaticResource{
-	StaticName: "gray.frag",
-	StaticContent: []byte(
-		"#version 110\n\nuniform vec4 color;\n\nuniform sampler2D tex;\nvarying vec2 fragTexCoord;\n\nvoid main()\n{\n    gl_FragColor = vec4(color.r, color.g, color.b, texture2D(tex, fragTexCoord).r*color.a);\n}\n"),
-}
-var shaderGrayesFrag = &fyne.StaticResource{
-	StaticName: "gray_es.frag",
-	StaticContent: []byte(
-		"#version 100\n\n#ifdef GL_ES\n# ifdef GL_FRAGMENT_PRECISION_HIGH\nprecision highp float;\n# else\nprecision mediump float;\n#endif\nprecision mediump int;\nprecision lowp sampler2D;\n#endif\n\nuniform vec4 color;\n\nuniform sampler2D tex;\nvarying vec2 fragTexCoord;\n\nvoid main()\n{\n    gl_FragColor = vec4(color.r, color.g, color.b, texture2D(tex, fragTexCoord).r*color.a);\n}\n"),
-}
 var shaderLineFrag = &fyne.StaticResource{
 	StaticName: "line.frag",
 	StaticContent: []byte(
@@ -85,3 +75,13 @@ var shaderSimpleesVert = &fyne.StaticResource{
 	StaticContent: []byte(
 		"#version 100\n\n#ifdef GL_ES\n# ifdef GL_FRAGMENT_PRECISION_HIGH\nprecision highp float;\n# else\nprecision mediump float;\n#endif\nprecision mediump int;\nprecision lowp sampler2D;\n#endif\n\nattribute vec3 vert;\nattribute vec2 vertTexCoord;\nvarying vec2 fragTexCoord;\n\nvoid main() {\n    fragTexCoord = vertTexCoord;\n\n    gl_Position = vec4(vert, 1);\n}"),
 }
+var shaderSinglechannelFrag = &fyne.StaticResource{
+	StaticName: "single_channel.frag",
+	StaticContent: []byte(
+		"#version 110\n\nuniform vec4 color;\n\nuniform sampler2D tex;\nvarying vec2 fragTexCoord;\n\nvoid main()\n{\n    gl_FragColor = vec4(color.r, color.g, color.b, texture2D(tex, fragTexCoord).r*color.a);\n}\n"),
+}
+var shaderSinglechannelesFrag = &fyne.StaticResource{
+	StaticName: "single_channel_es.frag",
+	StaticContent: []byte(
+		"#version 100\n\n#ifdef GL_ES\n# ifdef GL_FRAGMENT_PRECISION_HIGH\nprecision highp float;\n# else\nprecision mediump float;\n#endif\nprecision mediump int;\nprecision lowp sampler2D;\n#endif\n\nuniform vec4 color;\n\nuniform sampler2D tex;\nvarying vec2 fragTexCoord;\n\nvoid main()\n{\n    gl_FragColor = vec4(color.r, color.g, color.b, texture2D(tex, fragTexCoord).r*color.a);\n}\n"),
+}
diff --git a/internal/painter/gl/shaders/gray.frag b/internal/painter/gl/shaders/single_channel.frag
similarity index 100%
rename from internal/painter/gl/shaders/gray.frag
rename to internal/painter/gl/shaders/single_channel.frag
diff --git a/internal/painter/gl/shaders/gray_es.frag b/internal/painter/gl/shaders/single_channel_es.frag
similarity index 100%
rename from internal/painter/gl/shaders/gray_es.frag
rename to internal/painter/gl/shaders/single_channel_es.frag