diff --git a/src/processor/gpu.rs b/src/processor/gpu.rs
index fbccd70..c9bdcdd 100644
--- a/src/processor/gpu.rs
+++ b/src/processor/gpu.rs
@@ -83,10 +83,10 @@ enum Colour {
 impl Colour {
     fn to_rgb(&self) -> u32 {
         match self {
-            Colour::White => Self::from_u8_rgb(255, 255, 255),
-            Colour::LightGray => Self::from_u8_rgb(190, 190, 190),
-            Colour::DarkGray => Self::from_u8_rgb(110, 110, 110),
-            Colour::Black => Self::from_u8_rgb(20, 20, 20),
+            Colour::White => Self::from_u8_rgb(0xFF, 0xFF, 0xFF),
+            Colour::LightGray => Self::from_u8_rgb(0xAA, 0xAA, 0xAA),
+            Colour::DarkGray => Self::from_u8_rgb(0x55, 0x55, 0x55),
+            Colour::Black => Self::from_u8_rgb(0x00, 0x00, 0x00),
         }
     }
 
@@ -461,8 +461,8 @@ fn byte_to_palette(byte: u8) -> Palette {
 fn bits_to_colour(first: bool, second: bool) -> Colour {
     match (first, second) {
         (true, true) => Colour::Black,
-        (true, false) => Colour::DarkGray,
-        (false, true) => Colour::LightGray,
+        (true, false) => Colour::LightGray,
+        (false, true) => Colour::DarkGray,
         (false, false) => Colour::White,
     }
 }