diff --git a/include/cglm/io.h b/include/cglm/io.h
index 6f6a8e4..29fb801 100644
--- a/include/cglm/io.h
+++ b/include/cglm/io.h
@@ -52,12 +52,20 @@
 #  define CGLM_PRINT_MAX_TO_SHORT 1e5f
 #endif
 
-#ifndef CGLM_PRINT_COLOR
-#  define CGLM_PRINT_COLOR        "\033[36m"
-#endif
-
-#ifndef CGLM_PRINT_COLOR_RESET
-#  define CGLM_PRINT_COLOR_RESET  "\033[0m"
+#ifndef GLM_TESTS_NO_COLORFUL_OUTPUT
+#  ifndef CGLM_PRINT_COLOR
+#    define CGLM_PRINT_COLOR        "\033[36m"
+#  endif
+#  ifndef CGLM_PRINT_COLOR_RESET
+#    define CGLM_PRINT_COLOR_RESET  "\033[0m"
+#  endif
+#else
+#  ifndef CGLM_PRINT_COLOR
+#    define CGLM_PRINT_COLOR
+#  endif
+#  ifndef CGLM_PRINT_COLOR_RESET
+#    define CGLM_PRINT_COLOR_RESET
+#  endif
 #endif
 
 /*!