diff --git a/src/mess/drivers/odyssey2.c b/src/mess/drivers/odyssey2.c
index d1aceeb9c55..1f9b1df9393 100644
--- a/src/mess/drivers/odyssey2.c
+++ b/src/mess/drivers/odyssey2.c
@@ -246,24 +246,24 @@ INPUT_PORTS_END
 const UINT8 odyssey2_colors[] =
 {
 	/* Background,Grid Dim */
-	0x00,0x00,0x00,   /* Black */                                         // i r g b
-	0x13,0x35,0xA5,   /* Blue           - Calibrated To Real VideoPac */  // i r g B
-	0x02,0x70,0x02,   /* Green          - Calibrated To Real VideoPac */  // i r G b
-	0x38,0x85,0x8C,   /* Blue-Green     - Calibrated To Real VideoPac */  // i r G B
-	0x91,0x00,0x00,   /* Dk Red         - Calibrated To Real VideoPac */  // i R g b
-	0x86,0x49,0xA3,   /* Violet         - Calibrated To Real VideoPac */  // i R g B
-	0x68,0x5A,0x0A,   /* Khaki          - Calibrated To Real VideoPac */  // i R g B
-	0xcc,0xcc,0xcc,   /* Lt Grey */                                       // i R G B
+ 0x00,0x00,0x00,   /* Black */                                         // i r g b
+ 0x1A,0x37,0xBE,   /* Blue           - Calibrated To Real VideoPac */  // i r g B
+ 0x00,0x6D,0x07,   /* Green          - Calibrated To Real VideoPac */  // i r G b	
+ 0x2A,0xAA,0xBE,   /* Blue-Green     - Calibrated To Real VideoPac */  // i r G B
+ 0x79,0x00,0x00,   /* Red            - Calibrated To Real VideoPac */  // i R g b
+ 0x94,0x30,0x9F,   /* Violet         - Calibrated To Real VideoPac */  // i R g B
+ 0x77,0x67,0x0B,   /* Khaki          - Calibrated To Real VideoPac */  // i R g B
+ 0xCE,0xCE,0xCE,   /* Lt Grey */                                       // i R G B
 
 	/* Background,Grid Bright */
-	0x5B,0x5B,0x5B,   /* Grey           - Calibrated To Real VideoPac */  // I R g B
-	0x60,0x89,0xDB,   /* Ltr Blue       - Calibrated To Real VideoPac */  // I R g B
-	0x54,0xBF,0x54,   /* Lt Green       - Calibrated To Real VideoPac */  // I R g B
-	0x6B,0xDD,0xF4,   /* Lt Blue        - Calibrated To Real VideoPac */  // I R g b
-	0xE5,0x5E,0x5E,   /* Red            - Calibrated To Real VideoPac */  // I R g b
-	0xD9,0x83,0xDB,   /* Lt Violet      - Calibrated To Real VideoPac */  // I R g B
-	0xC4,0xBD,0x5C,   /* Lt Yellow      - Calibrated To Real VideoPac */  // I R G b
-	0xFF,0xFF,0xFF,   /* White */                                         // I R G B
+ 0x67,0x67,0x67,   /* Grey           - Calibrated To Real VideoPac */  // I R g B
+ 0x5C,0x80,0xF6,   /* Lt Blue        - Calibrated To Real VideoPac */  // I R g B
+ 0x56,0xC4,0x69,   /* Lt Green       - Calibrated To Real VideoPac */  // I R g B  
+ 0x77,0xE6,0xEB,   /* Lt Blue-Green  - Calibrated To Real VideoPac */  // I R g b
+ 0xC7,0x51,0x51,   /* Lt Red         - Calibrated To Real VideoPac */  // I R g b 
+ 0xDC,0x84,0xE8,   /* Lt Violet      - Calibrated To Real VideoPac */  // I R g B
+ 0xC6,0xB8,0x6A,   /* Lt Yellow      - Calibrated To Real VideoPac */  // I R G b
+ 0xFF,0xFF,0xFF,   /* White */                                         // I R G B
 };
 
 
@@ -280,11 +280,23 @@ void g7400_state::palette_init()
 {
 	const UINT8 g7400_colors[] =
 	{
-		0x00,0x00,0x00, 0x00,0x00,0xb6, 0x00,0xb6,0x00, 0x00,0xb6,0xb6,
-		0xb6,0x00,0x00, 0xb6,0x00,0xb6, 0xb6,0xb6,0x00, 0xb6,0xb6,0xb6,
+ 0x00,0x00,0x00, // Black
+ 0x1A,0x37,0xBE, // Blue
+ 0x00,0x6D,0x07, // Green
+ 0x2A,0xAA,0xBE, // Blue-Green
+ 0x79,0x00,0x00, // Red
+ 0x94,0x30,0x9F, // Violet
+ 0x77,0x67,0x0B, // Khaki
+ 0xCE,0xCE,0xCE, // Lt Grey
 
-		0x49,0x49,0x49, 0x49,0x49,0xff, 0x49,0xff,0x49, 0x49,0xff,0xff,
-		0xff,0x49,0x49, 0xff,0x49,0xff, 0xff,0xff,0x49, 0xff,0xff,0xff
+ 0x67,0x67,0x67, // Grey
+ 0x5C,0x80,0xF6, // Lt Blue
+ 0x56,0xC4,0x69, // Lt Green
+ 0x77,0xE6,0xEB, // Lt Blue-Green
+ 0xC7,0x51,0x51, // Lt Red
+ 0xDC,0x84,0xE8, // Lt Violet
+ 0xC6,0xB8,0x6A, // Lt Yellow
+ 0xff,0xff,0xff  // White
 
 	};