diff --git a/renderdoc/driver/d3d11/d3d11_overlay.cpp b/renderdoc/driver/d3d11/d3d11_overlay.cpp
index a22a72c4a..a9a50577b 100644
--- a/renderdoc/driver/d3d11/d3d11_overlay.cpp
+++ b/renderdoc/driver/d3d11/d3d11_overlay.cpp
@@ -394,7 +394,7 @@ ResourceId D3D11Replay::RenderOverlay(ResourceId texid, FloatVector clearCol, De
       }
     }
 
-    float clearColour[] = {0.0f, 1.0f, 0.0f, 0.0f};
+    float clearColour[] = {0.0f, 0.0f, 0.0f, 0.0f};
     m_pImmediateContext->ClearRenderTargetView(rtv, clearColour);
 
     float overlayConsts[] = {1.0f, 0.0f, 0.0f, 1.0f};
@@ -1294,7 +1294,7 @@ ResourceId D3D11Replay::RenderOverlay(ResourceId texid, FloatVector clearCol, De
 
       m_pImmediateContext->OMSetBlendState(NULL, NULL, 0xffffffff);
 
-      float clearColour[] = {0.0f, 1.0f, 0.0f, 0.0f};
+      float clearColour[] = {0.0f, 0.0f, 0.0f, 0.0f};
       m_pImmediateContext->ClearRenderTargetView(rtv, clearColour);
 
       float redConsts[] = {255.0f / 255.0f, 0.0f / 255.0f, 0.0f / 255.0f, 255.0f / 255.0f};
@@ -1411,7 +1411,7 @@ ResourceId D3D11Replay::RenderOverlay(ResourceId texid, FloatVector clearCol, De
         }
       }
 
-      float clearColour[] = {0.0f, 1.0f, 0.0f, 0.0f};
+      float clearColour[] = {0.0f, 0.0f, 0.0f, 0.0f};
       m_pImmediateContext->ClearRenderTargetView(rtv, clearColour);
 
       float redConsts[] = {1.0f, 0.0f, 0.0f, 1.0f};
diff --git a/renderdoc/driver/d3d12/d3d12_overlay.cpp b/renderdoc/driver/d3d12/d3d12_overlay.cpp
index 151b690c9..15ae1a499 100644
--- a/renderdoc/driver/d3d12/d3d12_overlay.cpp
+++ b/renderdoc/driver/d3d12/d3d12_overlay.cpp
@@ -668,7 +668,7 @@ ResourceId D3D12Replay::RenderOverlay(ResourceId texid, FloatVector clearCol, De
       psoDesc.RasterizerState.MultisampleEnable = FALSE;
       psoDesc.RasterizerState.AntialiasedLineEnable = FALSE;
 
-      float clearColour[] = {0.0f, 1.0f, 0.0f, 0.0f};
+      float clearColour[] = {0.0f, 0.0f, 0.0f, 0.0f};
       list->ClearRenderTargetView(rtv, clearColour, 0, NULL);
 
       list->Close();
@@ -1506,7 +1506,7 @@ ResourceId D3D12Replay::RenderOverlay(ResourceId texid, FloatVector clearCol, De
       psoDesc.RasterizerState.MultisampleEnable = FALSE;
       psoDesc.RasterizerState.AntialiasedLineEnable = FALSE;
 
-      float clearColour[] = {0.0f, 1.0f, 0.0f, 0.0f};
+      float clearColour[] = {0.0f, 0.0f, 0.0f, 0.0f};
       list->ClearRenderTargetView(rtv, clearColour, 0, NULL);
 
       list->Close();
diff --git a/renderdoc/driver/gl/gl_overlay.cpp b/renderdoc/driver/gl/gl_overlay.cpp
index 28a16c907..2b57dedb7 100644
--- a/renderdoc/driver/gl/gl_overlay.cpp
+++ b/renderdoc/driver/gl/gl_overlay.cpp
@@ -942,7 +942,7 @@ ResourceId GLReplay::RenderOverlay(ResourceId texid, FloatVector clearCol, Debug
     else
       drv.glDisable(eGL_SCISSOR_TEST);
 
-    float backCol[] = {0.0f, 1.0f, 0.0f, 0.0f};
+    float backCol[] = {0.0f, 0.0f, 0.0f, 0.0f};
     drv.glClearBufferfv(eGL_COLOR, 0, backCol);
 
     if(HasExt[ARB_viewport_array])
@@ -1233,7 +1233,7 @@ ResourceId GLReplay::RenderOverlay(ResourceId texid, FloatVector clearCol, Debug
     else
       drv.glDisable(eGL_SCISSOR_TEST);
 
-    float col[] = {0.0f, 1.0f, 0.0f, 0.0f};
+    float col[] = {0.0f, 0.0f, 0.0f, 0.0f};
     drv.glClearBufferfv(eGL_COLOR, 0, col);
 
     if(HasExt[ARB_viewport_array])
diff --git a/renderdoc/driver/vulkan/vk_overlay.cpp b/renderdoc/driver/vulkan/vk_overlay.cpp
index d5ce316b5..7125c97f4 100644
--- a/renderdoc/driver/vulkan/vk_overlay.cpp
+++ b/renderdoc/driver/vulkan/vk_overlay.cpp
@@ -1358,7 +1358,7 @@ ResourceId VulkanReplay::RenderOverlay(ResourceId texid, FloatVector clearCol, D
   }
   else if(overlay == DebugOverlay::BackfaceCull)
   {
-    float highlightCol[] = {0.0f, 1.0f, 0.0f, 0.0f};
+    float highlightCol[] = {0.0f, 0.0f, 0.0f, 0.0f};
 
     VkImageMemoryBarrier barrier = {VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
                                     NULL,
@@ -1532,7 +1532,7 @@ ResourceId VulkanReplay::RenderOverlay(ResourceId texid, FloatVector clearCol, D
   }
   else if(overlay == DebugOverlay::Depth || overlay == DebugOverlay::Stencil)
   {
-    float highlightCol[] = {0.0f, 1.0f, 0.0f, 0.0f};
+    float highlightCol[] = {0.0f, 0.0f, 0.0f, 0.0f};
 
     VkImageMemoryBarrier barrier = {VK_STRUCTURE_TYPE_IMAGE_MEMORY_BARRIER,
                                     NULL,
diff --git a/util/test/rdtest/shared/Overlay_Test.py b/util/test/rdtest/shared/Overlay_Test.py
index e0fe608b8..bf37eb697 100644
--- a/util/test/rdtest/shared/Overlay_Test.py
+++ b/util/test/rdtest/shared/Overlay_Test.py
@@ -153,10 +153,10 @@ class Overlay_Test(rdtest.TestCase):
                     self.check_pixel_value(overlay_id, 150, 160, [1.0, 0.0, 0.0, 1.0], eps=eps)
                     self.check_pixel_value(overlay_id, 150, 200, [0.0, 1.0, 0.0, 1.0], eps=eps)
 
-                    self.check_pixel_value(overlay_id, 125, 60, [0.0, 1.0, 0.0, 0.0], eps=eps)
-                    self.check_pixel_value(overlay_id, 125, 250, [0.0, 1.0, 0.0, 0.0], eps=eps)
-                    self.check_pixel_value(overlay_id, 250, 60, [0.0, 1.0, 0.0, 0.0], eps=eps)
-                    self.check_pixel_value(overlay_id, 250, 250, [0.0, 1.0, 0.0, 0.0], eps=eps)
+                    self.check_pixel_value(overlay_id, 125, 60, [0.0, 0.0, 0.0, 0.0], eps=eps)
+                    self.check_pixel_value(overlay_id, 125, 250, [0.0, 0.0, 0.0, 0.0], eps=eps)
+                    self.check_pixel_value(overlay_id, 250, 60, [0.0, 0.0, 0.0, 0.0], eps=eps)
+                    self.check_pixel_value(overlay_id, 250, 250, [0.0, 0.0, 0.0, 0.0], eps=eps)
 
                     self.check_pixel_value(overlay_id, 220, 175, [0.0, 1.0, 0.0, 1.0], eps=eps)
                     self.check_pixel_value(overlay_id, 250, 150, [0.0, 1.0, 0.0, 1.0], eps=eps)
@@ -182,10 +182,10 @@ class Overlay_Test(rdtest.TestCase):
                     self.check_pixel_value(overlay_id, 150, 160, [0.0, 1.0, 0.0, 1.0], eps=eps)
                     self.check_pixel_value(overlay_id, 150, 200, [0.0, 1.0, 0.0, 1.0], eps=eps)
 
-                    self.check_pixel_value(overlay_id, 125, 60, [0.0, 1.0, 0.0, 0.0], eps=eps)
-                    self.check_pixel_value(overlay_id, 125, 250, [0.0, 1.0, 0.0, 0.0], eps=eps)
-                    self.check_pixel_value(overlay_id, 250, 60, [0.0, 1.0, 0.0, 0.0], eps=eps)
-                    self.check_pixel_value(overlay_id, 250, 250, [0.0, 1.0, 0.0, 0.0], eps=eps)
+                    self.check_pixel_value(overlay_id, 125, 60, [0.0, 0.0, 0.0, 0.0], eps=eps)
+                    self.check_pixel_value(overlay_id, 125, 250, [0.0, 0.0, 0.0, 0.0], eps=eps)
+                    self.check_pixel_value(overlay_id, 250, 60, [0.0, 0.0, 0.0, 0.0], eps=eps)
+                    self.check_pixel_value(overlay_id, 250, 250, [0.0, 0.0, 0.0, 0.0], eps=eps)
 
                     self.check_pixel_value(overlay_id, 220, 175, [0.0, 1.0, 0.0, 1.0], eps=eps)
                     self.check_pixel_value(overlay_id, 250, 150, [0.0, 1.0, 0.0, 1.0], eps=eps)
@@ -210,10 +210,10 @@ class Overlay_Test(rdtest.TestCase):
                     self.check_pixel_value(overlay_id, 150, 160, [0.0, 1.0, 0.0, 1.0], eps=eps)
                     self.check_pixel_value(overlay_id, 150, 200, [0.0, 1.0, 0.0, 1.0], eps=eps)
 
-                    self.check_pixel_value(overlay_id, 125, 60, [0.0, 1.0, 0.0, 0.0], eps=eps)
-                    self.check_pixel_value(overlay_id, 125, 250, [0.0, 1.0, 0.0, 0.0], eps=eps)
-                    self.check_pixel_value(overlay_id, 250, 60, [0.0, 1.0, 0.0, 0.0], eps=eps)
-                    self.check_pixel_value(overlay_id, 250, 250, [0.0, 1.0, 0.0, 0.0], eps=eps)
+                    self.check_pixel_value(overlay_id, 125, 60, [0.0, 0.0, 0.0, 0.0], eps=eps)
+                    self.check_pixel_value(overlay_id, 125, 250, [0.0, 0.0, 0.0, 0.0], eps=eps)
+                    self.check_pixel_value(overlay_id, 250, 60, [0.0, 0.0, 0.0, 0.0], eps=eps)
+                    self.check_pixel_value(overlay_id, 250, 250, [0.0, 0.0, 0.0, 0.0], eps=eps)
 
                     self.check_pixel_value(overlay_id, 220, 175, [0.0, 1.0, 0.0, 1.0], eps=eps)
                     self.check_pixel_value(overlay_id, 250, 150, [0.0, 1.0, 0.0, 1.0], eps=eps)
@@ -472,8 +472,8 @@ class Overlay_Test(rdtest.TestCase):
                 self.check_pixel_value(overlay_id, 50, 25, [0.0, 1.0, 0.0, 1.0], eps=eps)
                 self.check_pixel_value(overlay_id, 50, 75, [0.0, 1.0, 0.0, 1.0], eps=eps)
 
-                self.check_pixel_value(overlay_id, 50, 20, [0.0, 1.0, 0.0, 0.0], eps=eps)
-                self.check_pixel_value(overlay_id, 50, 80, [0.0, 1.0, 0.0, 0.0], eps=eps)
+                self.check_pixel_value(overlay_id, 50, 20, [0.0, 0.0, 0.0, 0.0], eps=eps)
+                self.check_pixel_value(overlay_id, 50, 80, [0.0, 0.0, 0.0, 0.0], eps=eps)
             elif overlay == rd.DebugOverlay.ViewportScissor:
                 # Inside viewport and scissor, passing triangle
                 self.check_pixel_value(overlay_id, 50, 50,
@@ -674,14 +674,14 @@ class Overlay_Test(rdtest.TestCase):
                                            sub=sub, eps=eps)
                 elif overlay == rd.DebugOverlay.Depth or overlay == rd.DebugOverlay.Stencil:
                     self.check_pixel_value(overlay_id, 50 >> shift, 36 >> shift, [0.0, 1.0, 0.0, 1.0], sub=sub)
-                    self.check_pixel_value(overlay_id, 30 >> shift, 36 >> shift, [0.0, 1.0, 0.0, 0.0], sub=sub)
+                    self.check_pixel_value(overlay_id, 30 >> shift, 36 >> shift, [0.0, 0.0, 0.0, 0.0], sub=sub)
                     self.check_pixel_value(overlay_id, 70 >> shift, 34 >> shift, [1.0, 0.0, 0.0, 1.0], sub=sub)
-                    self.check_pixel_value(overlay_id, 70 >> shift, 20 >> shift, [0.0, 1.0, 0.0, 0.0], sub=sub)
+                    self.check_pixel_value(overlay_id, 70 >> shift, 20 >> shift, [0.0, 0.0, 0.0, 0.0], sub=sub)
                 elif overlay == rd.DebugOverlay.BackfaceCull:
                     self.check_pixel_value(overlay_id, 50 >> shift, 36 >> shift, [0.0, 1.0, 0.0, 1.0], sub=sub)
-                    self.check_pixel_value(overlay_id, 30 >> shift, 36 >> shift, [0.0, 1.0, 0.0, 0.0], sub=sub)
+                    self.check_pixel_value(overlay_id, 30 >> shift, 36 >> shift, [0.0, 0.0, 0.0, 0.0], sub=sub)
                     self.check_pixel_value(overlay_id, 70 >> shift, 34 >> shift, [1.0, 0.0, 0.0, 1.0], sub=sub)
-                    self.check_pixel_value(overlay_id, 70 >> shift, 20 >> shift, [0.0, 1.0, 0.0, 0.0], sub=sub)
+                    self.check_pixel_value(overlay_id, 70 >> shift, 20 >> shift, [0.0, 0.0, 0.0, 0.0], sub=sub)
                 elif overlay == rd.DebugOverlay.ViewportScissor:
                     self.check_pixel_value(overlay_id, 20 >> shift, 15 >> shift,
                                            [0.2 * 0.4, 0.2 * 0.4, 0.9 * 0.4, 0.4 * 0.4], sub=sub, eps=eps)