diff --git a/nanovna.h b/nanovna.h
index 20e3d8d..5a25d16 100644
--- a/nanovna.h
+++ b/nanovna.h
@@ -521,9 +521,9 @@ extern volatile uint8_t redraw_request;
 #define DEFAULT_NORMAL_BAT_COLOR    RGB565( 31,227,  0)
 #define DEFAULT_LOW_BAT_COLOR       RGB565(255,  0,  0)
 #define DEFAULT_SPEC_INPUT_COLOR    RGB565(128,255,128);
-#define BRIGHT_COLOR_BLUE  RGB565(200,200,255)
-#define BRIGHT_COLOR_RED  RGB565(255,200,200)
-#define BRIGHT_COLOR_GREEN  RGB565(200,255,200)
+#define BRIGHT_COLOR_BLUE  RGB565(0,0,255)
+#define BRIGHT_COLOR_RED  RGB565(255,0,0)
+#define BRIGHT_COLOR_GREEN  RGB565(0,255,0)
 
 extern uint16_t foreground_color;
 extern uint16_t background_color;