diff --git a/Marlin/src/lcd/dogm/u8g_dev_tft_320x240_upscale_from_128x64.cpp b/Marlin/src/lcd/dogm/u8g_dev_tft_320x240_upscale_from_128x64.cpp
index 868f3f15be..8451a10e0e 100644
--- a/Marlin/src/lcd/dogm/u8g_dev_tft_320x240_upscale_from_128x64.cpp
+++ b/Marlin/src/lcd/dogm/u8g_dev_tft_320x240_upscale_from_128x64.cpp
@@ -86,15 +86,31 @@
 
 // see https://ee-programming-notepad.blogspot.com/2016/10/16-bit-color-generator-picker.html
 
-#define COLOR_BLACK 0x0000
-#define COLOR_WHITE 0xFFFF
-#define COLOR_BLUE  0x21DD
-#define COLOR_RED   0xF800
-#define COLOR_DARK  0x0003 // Some dark color
-#define COLOR_GREY  0x39E7
-#define COLOR_YELLOW 0xEFC0
-#define COLOR_ORANGE 0xFC00
-#define COLOR_GREEN  0x77E0
+#define COLOR_BLACK       0x0000  // #000000
+#define COLOR_WHITE       0xFFFF  // #FFFFFF
+#define COLOR_SILVER      0xC618  // #C0C0C0
+#define COLOR_GREY        0x7BEF  // #808080
+#define COLOR_DARKGREY    0x4208  // #404040
+#define COLOR_DARKGREY2   0x39E7  // #303030
+#define COLOR_DARK        0x0003  // Some dark color
+
+#define COLOR_RED         0xF800  // #FF0000
+#define COLOR_LIME        0x7E00  // #00FF00
+#define COLOR_BLUE        0x001F  // #0000FF
+#define COLOR_YELLOW      0xFFE0  // #FFFF00
+#define COLOR_MAGENTA     0xF81F  // #FF00FF
+#define COLOR_FUCHSIA     0xF81F  // #FF00FF
+#define COLOR_CYAN        0x07FF  // #00FFFF
+#define COLOR_AQUA        0x07FF  // #00FFFF
+
+#define COLOR_MAROON      0x7800  // #800000
+#define COLOR_GREEN       0x03E0  // #008000
+#define COLOR_NAVY        0x000F  // #000080
+#define COLOR_OLIVE       0x8400  // #808000
+#define COLOR_PURPLE      0x8010  // #800080
+#define COLOR_TEAL        0x0410  // #008080
+
+#define COLOR_ORANGE      0xFC00  // #FF7F00
 
 #ifndef TFT_MARLINUI_COLOR
   #define TFT_MARLINUI_COLOR COLOR_WHITE