diff --git a/intl/msg_hash_us.c b/intl/msg_hash_us.c
index 44990a3f71..18f9ab41a4 100644
--- a/intl/msg_hash_us.c
+++ b/intl/msg_hash_us.c
@@ -2123,6 +2123,8 @@ const char *msg_hash_to_str_us(enum msg_hash_enums msg)
          return "Ribbon";
       case MENU_ENUM_LABEL_VALUE_MATERIALUI_MENU_COLOR_THEME_BLUE:
          return "Blue";
+      case MENU_ENUM_LABEL_VALUE_MATERIALUI_MENU_COLOR_THEME_BLUE_GREY:
+         return "Blue Grey";
       case MENU_ENUM_LABEL_VALUE_MATERIALUI_MENU_COLOR_THEME_RED:
          return "Red";
       case MENU_ENUM_LABEL_VALUE_MATERIALUI_MENU_COLOR_THEME_YELLOW:
diff --git a/menu/cbs/menu_cbs_get_value.c b/menu/cbs/menu_cbs_get_value.c
index f20906d180..3d69a76a55 100644
--- a/menu/cbs/menu_cbs_get_value.c
+++ b/menu/cbs/menu_cbs_get_value.c
@@ -796,6 +796,11 @@ static void menu_action_setting_disp_set_label_materialui_menu_color_theme(
                msg_hash_to_str(
                   MENU_ENUM_LABEL_VALUE_MATERIALUI_MENU_COLOR_THEME_BLUE), len);
          break;
+      case MATERIALUI_THEME_BLUE_GREY:
+         strlcpy(s,
+               msg_hash_to_str(
+                  MENU_ENUM_LABEL_VALUE_MATERIALUI_MENU_COLOR_THEME_BLUE_GREY), len);
+         break;
       case MATERIALUI_THEME_GREEN:
          strlcpy(s,
                msg_hash_to_str(
diff --git a/menu/drivers/materialui.c b/menu/drivers/materialui.c
index b97a775f95..1db625e39f 100644
--- a/menu/drivers/materialui.c
+++ b/menu/drivers/materialui.c
@@ -796,6 +796,7 @@ static void mui_frame(void *data)
    float red_500[16]               = {0};
    float red_50[16]                = {0};
    float yellow_500[16]            = {0};
+   float blue_grey_500[16]         = {0};
    float yellow_200[16]            = {0};
    unsigned width                  = 0;
    unsigned height                 = 0;
@@ -834,14 +835,15 @@ static void mui_frame(void *data)
    if (!mui)
       return;
 
-   hex32_to_rgba_normalized(0xFFEB3B, yellow_500, 1.00);
-   hex32_to_rgba_normalized(0xFFF59D, yellow_200, 0.90);
-   hex32_to_rgba_normalized(0xF44336, red_500,    1.00);
-   hex32_to_rgba_normalized(0xFFEBEE, red_50,     0.90);
-   hex32_to_rgba_normalized(0x2196F3, blue_500,   1.00);
-   hex32_to_rgba_normalized(0xE3F2FD, blue_50,    0.90);
-   hex32_to_rgba_normalized(0x4CAF50, green_500,  1.00);
-   hex32_to_rgba_normalized(0xE8F5E9, green_50,   0.90);
+   hex32_to_rgba_normalized(0xFFEB3B, yellow_500,     1.00);
+   hex32_to_rgba_normalized(0xFFF59D, yellow_200,     0.90);
+   hex32_to_rgba_normalized(0xF44336, red_500,        1.00);
+   hex32_to_rgba_normalized(0xFFEBEE, red_50,         0.90);
+   hex32_to_rgba_normalized(0x2196F3, blue_500,       1.00);
+   hex32_to_rgba_normalized(0xE3F2FD, blue_50,        0.90);
+   hex32_to_rgba_normalized(0x4CAF50, green_500,      1.00);
+   hex32_to_rgba_normalized(0x607D8B, blue_grey_500,  1.00);
+   hex32_to_rgba_normalized(0xCFD8DC, green_50,       0.90);
 
    clearcolor.r = 1.0f;
    clearcolor.g = 1.0f;
@@ -852,6 +854,17 @@ static void mui_frame(void *data)
    {
       case MATERIALUI_THEME_BLUE:
          break;
+      case MATERIALUI_THEME_BLUE_GREY:
+         header_bg_color         = blue_grey_500;
+         body_bg_color           = white_transp_bg;
+         highlighted_entry_color = green_50;
+         footer_bg_color         = white_bg;
+         active_tab_marker_color = blue_grey_500;
+
+         font_normal_color       = 0x212121ff;
+         font_hover_color        = 0x212121ff;
+         font_header_color       = 0xffffffff;
+         break;
       case MATERIALUI_THEME_GREEN:
          header_bg_color         = green_500;
          body_bg_color           = white_transp_bg;
@@ -878,7 +891,6 @@ static void mui_frame(void *data)
       case MATERIALUI_THEME_YELLOW:
          header_bg_color         = yellow_500;
          body_bg_color           = white_transp_bg;
-         body_bg_color           = white_transp_bg;
          highlighted_entry_color = yellow_200;
          footer_bg_color         = white_bg;
          active_tab_marker_color = yellow_500;
diff --git a/menu/menu_display.h b/menu/menu_display.h
index fec61bd476..930b09b3c9 100644
--- a/menu/menu_display.h
+++ b/menu/menu_display.h
@@ -32,6 +32,7 @@ RETRO_BEGIN_DECLS
 enum materialui_color_theme
 {
    MATERIALUI_THEME_BLUE = 0,
+   MATERIALUI_THEME_BLUE_GREY,
    MATERIALUI_THEME_GREEN,
    MATERIALUI_THEME_RED,
    MATERIALUI_THEME_YELLOW,
diff --git a/menu/menu_setting.c b/menu/menu_setting.c
index 2f971f6020..1e1f78b054 100644
--- a/menu/menu_setting.c
+++ b/menu/menu_setting.c
@@ -6964,7 +6964,7 @@ static bool setting_append_list(
                   parent_group,
                   general_write_handler,
                   general_read_handler);
-            menu_settings_list_current_add_range(list, list_info, 0, 4, 1, true, true);
+            menu_settings_list_current_add_range(list, list_info, 0, 5, 1, true, true);
             menu_settings_list_current_add_enum_idx(list, list_info, MENU_ENUM_LABEL_MATERIALUI_MENU_COLOR_THEME);
          }
 
diff --git a/msg_hash.h b/msg_hash.h
index d4ca8117ad..50908eca04 100644
--- a/msg_hash.h
+++ b/msg_hash.h
@@ -305,6 +305,7 @@ enum msg_hash_enums
    MENU_ENUM_LABEL_VALUE_SHADER_PIPELINE_RIBBON,
 
    MENU_ENUM_LABEL_VALUE_MATERIALUI_MENU_COLOR_THEME_BLUE,
+   MENU_ENUM_LABEL_VALUE_MATERIALUI_MENU_COLOR_THEME_BLUE_GREY,
    MENU_ENUM_LABEL_VALUE_MATERIALUI_MENU_COLOR_THEME_RED,
    MENU_ENUM_LABEL_VALUE_MATERIALUI_MENU_COLOR_THEME_GREEN,
    MENU_ENUM_LABEL_VALUE_MATERIALUI_MENU_COLOR_THEME_YELLOW,