diff --git a/Marlin/src/inc/SanityCheck.h b/Marlin/src/inc/SanityCheck.h
index c5c606a0b4a09..f0d606eb2390b 100644
--- a/Marlin/src/inc/SanityCheck.h
+++ b/Marlin/src/inc/SanityCheck.h
@@ -2444,17 +2444,17 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
  * FYSETC LCD Requirements
  */
 #if EITHER(FYSETC_242_OLED_12864, FYSETC_MINI_12864_2_1)
-  #ifndef NEO_RGB
-    #define NEO_RGB 123
+  #ifndef NEO_GRB
+    #define NEO_GRB 123
     #define FAUX_RGB 1
   #endif
-  #if defined(NEOPIXEL_TYPE) && NEOPIXEL_TYPE != NEO_RGB
-    #error "Your FYSETC Mini Panel requires NEOPIXEL_TYPE to be NEO_RGB."
+  #if defined(NEOPIXEL_TYPE) && NEOPIXEL_TYPE != NEO_GRB
+    #error "Your FYSETC Mini Panel requires NEOPIXEL_TYPE to be NEO_GRB."
   #elif defined(NEOPIXEL_PIXELS) && NEOPIXEL_PIXELS < 3
     #error "Your FYSETC Mini Panel requires NEOPIXEL_PIXELS >= 3."
   #endif
   #if FAUX_RGB
-    #undef NEO_RGB
+    #undef NEO_GRB
     #undef FAUX_RGB
   #endif
 #elif EITHER(FYSETC_MINI_12864_1_2, FYSETC_MINI_12864_2_0) && !DISABLED(RGB_LED)
diff --git a/buildroot/tests/LPC1768 b/buildroot/tests/LPC1768
index 9fb7479d9921e..34ae40d18a96f 100755
--- a/buildroot/tests/LPC1768
+++ b/buildroot/tests/LPC1768
@@ -15,7 +15,7 @@ set -e
 
 restore_configs
 opt_set MOTHERBOARD BOARD_RAMPS_14_RE_ARM_EFB SERIAL_PORT_3 3 \
-        NEOPIXEL_TYPE NEO_RGB RGB_LED_R_PIN P2_12 RGB_LED_G_PIN P1_23 RGB_LED_B_PIN P1_22 RGB_LED_W_PIN P1_24
+        NEOPIXEL_TYPE NEO_GRB RGB_LED_R_PIN P2_12 RGB_LED_G_PIN P1_23 RGB_LED_B_PIN P1_22 RGB_LED_W_PIN P1_24
 opt_enable FYSETC_MINI_12864_2_1 SDSUPPORT SDCARD_READONLY SERIAL_PORT_2 RGBW_LED E_DUAL_STEPPER_DRIVERS \
            NEOPIXEL_LED NEOPIXEL_IS_SEQUENTIAL NEOPIXEL_STARTUP_TEST NEOPIXEL_BKGD_INDEX_FIRST NEOPIXEL_BKGD_INDEX_LAST NEOPIXEL_BKGD_COLOR NEOPIXEL_BKGD_ALWAYS_ON
 exec_test $1 $2 "ReARM EFB VIKI2, SDSUPPORT, 2 Serial ports (USB CDC + UART0), NeoPixel" "$3"