diff --git a/include/ege.h b/include/ege.h
index e71c8fe..7ad0342 100644
--- a/include/ege.h
+++ b/include/ege.h
@@ -276,7 +276,7 @@ enum message_mouse
 
 #ifndef EGE_COLOR_T_TYPEDEF
 #define EGE_COLOR_T_TYPEDEF
-typedef unsigned int color_t;
+typedef uint32_t color_t;
 #endif
 
 enum alpha_type
diff --git a/src/color.h b/src/color.h
index 5168e36..036d6dd 100644
--- a/src/color.h
+++ b/src/color.h
@@ -1,6 +1,9 @@
 #pragma once
 
 #include <windef.h>
+
+#include "../include/ege/stdint.h"
+
 #include "ege_def.h"
 #include "ege_math.h"
 #include "types.h"
@@ -17,7 +20,7 @@ namespace ege
 
 #ifndef EGE_COLOR_T_TYPEDEF
 #define EGE_COLOR_T_TYPEDEF
-typedef unsigned int color_t;
+typedef uint32_t color_t;
 #endif
 
 typedef struct COLORHSL