diff --git a/src/util/colour32.h b/src/util/colour32.h
index af337d7..1c22fe3 100644
--- a/src/util/colour32.h
+++ b/src/util/colour32.h
@@ -3,36 +3,19 @@
 #pragma once
 #include <stdint.h>
 
-#include "types.h"
+#include "vec.h"
 
-// stores colour in a rgba format stored as little-endian, each channel being a 8 bits wide.
-typedef union colour32 {
-	u32 dat; // full colour data; little-endian
-#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
-	// colour channel information for little-endian systems
-	struct {
-		u8 a, b, g, r;
-	} ch;
-#elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
-	// colour channel information for big-endian systems
-	struct {
-		u8 r, g, b, a;
-	} ch;
-#endif
-} colour32;
-
-#define COLOUR32_BLACK   ((colour32){0x000000FF})
-#define COLOUR32_RED     ((colour32){0xFF0000FF})
-#define COLOUR32_YELLOW  ((colour32){0xFFFF00FF})
-#define COLOUR32_ORANGE  ((colour32){0xFF6D00FF})
-#define COLOUR32_GREEN   ((colour32){0x00FF00FF})
-#define COLOUR32_CYAN    ((colour32){0x00FFFFFF})
-#define COLOUR32_BLUE    ((colour32){0x0000FFFF})
-#define COLOUR32_MAGENTA ((colour32){0xFF00FFFF})
-#define COLOUR32_WHITE   ((colour32){0xFFFFFFFF})
+#define COLOUR32_BLACK   ((u8vec4){0x00, 0x00, 0x00, 0xFF})
+#define COLOUR32_RED     ((u8vec4){0xFF, 0x00, 0x00, 0xFF})
+#define COLOUR32_YELLOW  ((u8vec4){0xFF, 0xFF, 0x00, 0xFF})
+#define COLOUR32_ORANGE  ((u8vec4){0xFF, 0x6D, 0x00, 0xFF})
+#define COLOUR32_GREEN   ((u8vec4){0x00, 0xFF, 0x00, 0xFF})
+#define COLOUR32_CYAN    ((u8vec4){0x00, 0xFF, 0xFF, 0xFF})
+#define COLOUR32_BLUE    ((u8vec4){0x00, 0x00, 0xFF, 0xFF})
+#define COLOUR32_MAGENTA ((u8vec4){0xFF, 0x00, 0xFF, 0xFF})
+#define COLOUR32_WHITE   ((u8vec4){0xFF, 0xFF, 0xFF, 0xFF})
 
 // american macros:
-#define color32         colour32
 #define COLOR32_BLACK   COLOUR32_BLACK
 #define COLOR32_RED     COLOUR32_RED
 #define COLOR32_YELLOW  COLOUR32_YELLOW
diff --git a/test/dat.h b/test/dat.h
index a41185c..8ca7bab 100644
--- a/test/dat.h
+++ b/test/dat.h
@@ -3,7 +3,6 @@
 #include "../src/util/conf.h"
 #include "../src/util/types.h"
 #include "t_conf.h"
-#include "t_util.h"
 #include "test.h"
 
 testdat tests[] = {
@@ -17,7 +16,7 @@ testdat tests[] = {
 	{"k=v (CRLF)",  test_procbuf,            &(struct test_procbuf){"k=v\r\na", "k", "v", 0}                                 },
 	{"get",         test_matchopt,           &(struct test_matchopt){"key3", 2}                                              },
 	{"invalid",     test_matchopt,           &(struct test_matchopt){"nono", -1}                                             },
-	{"",            test_colour32_endianess, NULL									    }, // NOTE: formatter is fucking with alignment making it use tabs @.@
+	// NOTE: formatter is fucking with alignment making it use tabs @.@
 	{"i32",         test_procval_int,        &(struct test_procval_int){"42", 42, CONF_I32}                                  },
 	{"i32_neg",     test_procval_int,        &(struct test_procval_int){"-42", (u32)-42, CONF_I32}                           },
 	{"u32_max",     test_procval_int,        &(struct test_procval_int){"4294967295", UINT32_MAX, CONF_U64}                  },
diff --git a/test/t_util.h b/test/t_util.h
deleted file mode 100644
index d175c27..0000000
--- a/test/t_util.h
+++ /dev/null
@@ -1,11 +0,0 @@
-#pragma once
-#include <stdint.h>
-
-#include "../src/util/colour32.h"
-#include "test.h"
-
-int test_colour32_endianess(void *d) {
-	(void)d;
-	colour32 c = {0xFF000000}; // setting just the red channel
-	return assert_true(c.ch.r == 0xFF);
-}