diff --git a/release/datafiles/userdef/userdef_default_theme.c b/release/datafiles/userdef/userdef_default_theme.c
index 14c1b9d2a94..2da837a3d51 100644
--- a/release/datafiles/userdef/userdef_default_theme.c
+++ b/release/datafiles/userdef/userdef_default_theme.c
@@ -567,6 +567,7 @@ const bTheme U_theme_default = {
     .handle_vertex_size = 4,
     .anim_active = RGBA(0x4d272766),
     .anim_preview_range = RGBA(0xa14d0066),
+    .simulated_frames = RGBA(0x721e65ff),
   },
   .space_nla = {
     .back = RGBA(0x30303000),
diff --git a/source/blender/blenloader/intern/versioning_userdef.c b/source/blender/blenloader/intern/versioning_userdef.c
index 1f62b887ec3..7a74e65793d 100644
--- a/source/blender/blenloader/intern/versioning_userdef.c
+++ b/source/blender/blenloader/intern/versioning_userdef.c
@@ -109,6 +109,7 @@ static void do_versions_theme(const UserDef *userdef, bTheme *btheme)
   {
     /* Keep this block, even when empty. */
     FROM_DEFAULT_V4_UCHAR(space_node.node_zone_simulation);
+    FROM_DEFAULT_V4_UCHAR(space_action.simulated_frames);
   }
 
 #undef FROM_DEFAULT_V4_UCHAR
diff --git a/source/blender/editors/include/UI_resources.h b/source/blender/editors/include/UI_resources.h
index 14cf889ed6d..ea97b7815ea 100644
--- a/source/blender/editors/include/UI_resources.h
+++ b/source/blender/editors/include/UI_resources.h
@@ -180,6 +180,7 @@ typedef enum ThemeColorID {
   TH_NODE_ATTRIBUTE,
 
   TH_NODE_ZONE_SIMULATION,
+  TH_SIMULATED_FRAMES,
 
   TH_CONSOLE_OUTPUT,
   TH_CONSOLE_INPUT,
diff --git a/source/blender/editors/interface/resources.cc b/source/blender/editors/interface/resources.cc
index cbcd3757f93..894aaa935e3 100644
--- a/source/blender/editors/interface/resources.cc
+++ b/source/blender/editors/interface/resources.cc
@@ -644,6 +644,9 @@ const uchar *UI_ThemeGetColorPtr(bTheme *btheme, int spacetype, int colorid)
         case TH_NODE_ZONE_SIMULATION:
           cp = ts->node_zone_simulation;
           break;
+        case TH_SIMULATED_FRAMES:
+          cp = ts->simulated_frames;
+          break;
 
         case TH_SEQ_MOVIE:
           cp = ts->movie;
diff --git a/source/blender/editors/space_action/action_draw.cc b/source/blender/editors/space_action/action_draw.cc
index 8574175c739..a85e28b781f 100644
--- a/source/blender/editors/space_action/action_draw.cc
+++ b/source/blender/editors/space_action/action_draw.cc
@@ -691,17 +691,18 @@ static void timeline_cache_draw_simulation_nodes(
   GPU_matrix_scale_2f(1.0, height);
 
   float color[4];
+  UI_GetThemeColor4fv(TH_SIMULATED_FRAMES, color);
   switch (cache.cache_state()) {
     case blender::bke::sim::CacheState::Invalid: {
-      copy_v4_fl4(color, 0.8, 0.8, 0.2, 0.3);
+      color[3] = 0.4f;
       break;
     }
     case blender::bke::sim::CacheState::Valid: {
-      copy_v4_fl4(color, 0.8, 0.8, 0.2, 1.0);
+      color[3] = 0.7f;
       break;
     }
     case blender::bke::sim::CacheState::Baked: {
-      copy_v4_fl4(color, 1.0, 0.6, 0.2, 1.0);
+      color[3] = 1.0f;
       break;
     }
   }
diff --git a/source/blender/makesdna/DNA_userdef_types.h b/source/blender/makesdna/DNA_userdef_types.h
index 224eef908dd..e0ac3c2437a 100644
--- a/source/blender/makesdna/DNA_userdef_types.h
+++ b/source/blender/makesdna/DNA_userdef_types.h
@@ -345,7 +345,7 @@ typedef struct ThemeSpace {
   unsigned char nodeclass_geometry[4], nodeclass_attribute[4];
 
   unsigned char node_zone_simulation[4];
-  char _pad8[4];
+  unsigned char simulated_frames[4];
 
   /** For sequence editor. */
   unsigned char movie[4], movieclip[4], mask[4], image[4], scene[4], audio[4];
diff --git a/source/blender/makesrna/intern/rna_userdef.c b/source/blender/makesrna/intern/rna_userdef.c
index a4410936454..2437b4c61a4 100644
--- a/source/blender/makesrna/intern/rna_userdef.c
+++ b/source/blender/makesrna/intern/rna_userdef.c
@@ -3563,6 +3563,12 @@ static void rna_def_userdef_theme_space_action(BlenderRNA *brna)
   RNA_def_property_ui_text(
       prop, "Interpolation Line", "Color of lines showing non-bezier interpolation modes");
   RNA_def_property_update(prop, 0, "rna_userdef_theme_update");
+
+  prop = RNA_def_property(srna, "simulated_frames", PROP_FLOAT, PROP_COLOR_GAMMA);
+  RNA_def_property_float_sdna(prop, NULL, "simulated_frames");
+  RNA_def_property_array(prop, 4);
+  RNA_def_property_ui_text(prop, "Simulated Frames", "");
+  RNA_def_property_update(prop, 0, "rna_userdef_theme_update");
 }
 
 static void rna_def_userdef_theme_space_nla(BlenderRNA *brna)