diff --git a/components/common/include/app_define.h b/components/common/include/app_define.h
index 277498b..fc62241 100644
--- a/components/common/include/app_define.h
+++ b/components/common/include/app_define.h
@@ -9,11 +9,13 @@
 #define COLOR_RED 0b0000000011111000
 #define COLOR_GREEN 0b1110000000000111
 #define COLOR_BLUE 0b0001111100000000
+#define COLOR_BLACK 0b0000000000000000
 #else
 #define IMAGE_T uint8_t
 #define COLOR_RED 0x0000FF
 #define COLOR_GREEN 0x00FF00
 #define COLOR_BLUE 0xFF0000
+#define COLOR_BLACK 0x000000
 #endif
 
 #if CONFIG_CAMERA_MODULE_WROVER_KIT