diff --git a/src/basic/terminal-util.h b/src/basic/terminal-util.h
index f6e6020b66e..8e6f668c25b 100644
--- a/src/basic/terminal-util.h
+++ b/src/basic/terminal-util.h
@@ -28,21 +28,45 @@
 #include "macro.h"
 #include "time-util.h"
 
-#define ANSI_RED "\x1B[0;31m"
-#define ANSI_GREEN "\x1B[0;32m"
+/* Regular colors */
+#define ANSI_BLACK   "\x1B[0;30m"
+#define ANSI_RED     "\x1B[0;31m"
+#define ANSI_GREEN   "\x1B[0;32m"
+#define ANSI_YELLOW  "\x1B[0;33m"
+#define ANSI_BLUE    "\x1B[0;34m"
+#define ANSI_MAGENTA "\x1B[0;35m"
+#define ANSI_CYAN    "\x1B[0;36m"
+#define ANSI_WHITE   "\x1B[0;37m"
+
+/* Bold/highlighted */
+#define ANSI_HIGHLIGHT_BLACK   "\x1B[0;1;30m"
+#define ANSI_HIGHLIGHT_RED     "\x1B[0;1;31m"
+#define ANSI_HIGHLIGHT_GREEN   "\x1B[0;1;32m"
+#define ANSI_HIGHLIGHT_YELLOW  "\x1B[0;1;33m"
+#define ANSI_HIGHLIGHT_BLUE    "\x1B[0;1;34m"
+#define ANSI_HIGHLIGHT_MAGENTA "\x1B[0;1;35m"
+#define ANSI_HIGHLIGHT_CYAN    "\x1B[0;1;36m"
+#define ANSI_HIGHLIGHT_WHITE   "\x1B[0;1;37m"
+
+/* Underlined */
+#define ANSI_HIGHLIGHT_BLACK_UNDERLINE   "\x1B[0;1;4;30m"
+#define ANSI_HIGHLIGHT_RED_UNDERLINE     "\x1B[0;1;4;31m"
+#define ANSI_HIGHLIGHT_GREEN_UNDERLINE   "\x1B[0;1;4;32m"
+#define ANSI_HIGHLIGHT_YELLOW_UNDERLINE  "\x1B[0;1;4;33m"
+#define ANSI_HIGHLIGHT_BLUE_UNDERLINE    "\x1B[0;1;4;34m"
+#define ANSI_HIGHLIGHT_MAGENTA_UNDERLINE "\x1B[0;1;4;35m"
+#define ANSI_HIGHLIGHT_CYAN_UNDERLINE    "\x1B[0;1;4;36m"
+#define ANSI_HIGHLIGHT_WHITE_UNDERLINE   "\x1B[0;1;4;37m"
+
+/* Other ANSI codes */
 #define ANSI_UNDERLINE "\x1B[0;4m"
 #define ANSI_HIGHLIGHT "\x1B[0;1;39m"
-#define ANSI_HIGHLIGHT_RED "\x1B[0;1;31m"
-#define ANSI_HIGHLIGHT_GREEN "\x1B[0;1;32m"
-#define ANSI_HIGHLIGHT_YELLOW "\x1B[0;1;33m"
-#define ANSI_HIGHLIGHT_BLUE "\x1B[0;1;34m"
 #define ANSI_HIGHLIGHT_UNDERLINE "\x1B[0;1;4m"
-#define ANSI_HIGHLIGHT_RED_UNDERLINE "\x1B[0;1;4;31m"
-#define ANSI_HIGHLIGHT_GREEN_UNDERLINE "\x1B[0;1;4;32m"
-#define ANSI_HIGHLIGHT_YELLOW_UNDERLINE "\x1B[0;1;4;33m"
-#define ANSI_HIGHLIGHT_BLUE_UNDERLINE "\x1B[0;1;4;34m"
+
+/* Reset/clear ANSI styles */
 #define ANSI_NORMAL "\x1B[0m"
 
+/* Erase characters until the end of the line */
 #define ANSI_ERASE_TO_END_OF_LINE "\x1B[K"
 
 /* Set cursor to top left corner and clear screen */