diff --git a/src/core/SkRasterPipeline.cpp b/src/core/SkRasterPipeline.cpp
index f2e85dcb9a..4c01e60cb8 100644
--- a/src/core/SkRasterPipeline.cpp
+++ b/src/core/SkRasterPipeline.cpp
@@ -244,7 +244,7 @@ void SkRasterPipeline::append_store(SkColorType ct, const SkRasterPipeline_Memor
                                         this->append(store_1010102, ctx);
                                         break;
 
-        case kGray_8_SkColorType:       this->append(luminance_to_alpha);
+        case kGray_8_SkColorType:       this->append(bt709_luminance_or_luma_to_alpha);
                                         this->append(store_a8, ctx);
                                         break;
 
diff --git a/src/core/SkRasterPipeline.h b/src/core/SkRasterPipeline.h
index 8a871fb66b..55df06c955 100644
--- a/src/core/SkRasterPipeline.h
+++ b/src/core/SkRasterPipeline.h
@@ -56,7 +56,7 @@
     M(load_rg1616)                  M(store_rg1616)                \
     M(load_16161616)                M(store_16161616)              \
     M(load_1010102) M(load_1010102_dst) M(store_1010102) M(gather_1010102) \
-    M(alpha_to_gray) M(alpha_to_gray_dst) M(luminance_to_alpha)    \
+    M(alpha_to_gray) M(alpha_to_gray_dst) M(bt709_luminance_or_luma_to_alpha)         \
     M(bilerp_clamp_8888)                                           \
     M(store_u16_be)                                                \
     M(load_src) M(store_src) M(load_dst) M(store_dst)              \
diff --git a/src/effects/SkLumaColorFilter.cpp b/src/effects/SkLumaColorFilter.cpp
index e66fb9e6e8..0e6deb08e5 100644
--- a/src/effects/SkLumaColorFilter.cpp
+++ b/src/effects/SkLumaColorFilter.cpp
@@ -19,7 +19,7 @@
 #endif
 
 bool SkLumaColorFilter::onAppendStages(const SkStageRec& rec, bool shaderIsOpaque) const {
-    rec.fPipeline->append(SkRasterPipeline::luminance_to_alpha);
+    rec.fPipeline->append(SkRasterPipeline::bt709_luminance_or_luma_to_alpha);
     rec.fPipeline->append(SkRasterPipeline::clamp_0);
     rec.fPipeline->append(SkRasterPipeline::clamp_1);
     return true;
diff --git a/src/opts/SkRasterPipeline_opts.h b/src/opts/SkRasterPipeline_opts.h
index e05f36c675..b090618deb 100644
--- a/src/opts/SkRasterPipeline_opts.h
+++ b/src/opts/SkRasterPipeline_opts.h
@@ -2224,7 +2224,7 @@ STAGE(alpha_to_gray_dst, Ctx::None) {
     dr = dg = db = da;
     da = 1;
 }
-STAGE(luminance_to_alpha, Ctx::None) {
+STAGE(bt709_luminance_or_luma_to_alpha, Ctx::None) {
     a = r*0.2126f + g*0.7152f + b*0.0722f;
     r = g = b = 0;
 }
@@ -3507,7 +3507,7 @@ STAGE_PP(alpha_to_gray_dst, Ctx::None) {
     dr = dg = db = da;
     da = 255;
 }
-STAGE_PP(luminance_to_alpha, Ctx::None) {
+STAGE_PP(bt709_luminance_or_luma_to_alpha, Ctx::None) {
     a = (r*54 + g*183 + b*19)/256;  // 0.2126, 0.7152, 0.0722 with 256 denominator.
     r = g = b = 0;
 }