diff --git a/bin/DMGTRIS.GBC b/bin/DMGTRIS.GBC
index 7d56137..371de59 100644
Binary files a/bin/DMGTRIS.GBC and b/bin/DMGTRIS.GBC differ
diff --git a/bin/DMGTRIS.pocket b/bin/DMGTRIS.pocket
index 4e9c03c..be54f53 100644
Binary files a/bin/DMGTRIS.pocket and b/bin/DMGTRIS.pocket differ
diff --git a/src/gbc.asm b/src/gbc.asm
index bc3e1ee..e184450 100644
--- a/src/gbc.asm
+++ b/src/gbc.asm
@@ -53,13 +53,13 @@ INCLUDE "globals.asm"
 
     ; L piece
     DEF_RGB555_FROM24 ORANGE_0, $BB, $5F, $00
-    DEF_RGB555_FROM24 ORANGE_1, $F7, $7D, $00
+    DEF_RGB555_FROM24 ORANGE_1, $D7, $8D, $00
     DEF_RGB555_FROM24 ORANGE_2, $F7, $9B, $3B
     DEF_RGB555_FROM24 ORANGE_3, $FF, $FF, $FF
 
     ; O piece
     DEF_RGB555_FROM24 YELLOW_0, $C0, $94, $23
-    DEF_RGB555_FROM24 YELLOW_1, $FB, $C0, $2D
+    DEF_RGB555_FROM24 YELLOW_1, $EB, $A0, $2D
     DEF_RGB555_FROM24 YELLOW_2, $FC, $CE, $5E
     DEF_RGB555_FROM24 YELLOW_3, $FF, $FF, $FF
 
diff --git a/src/include/rgb555.asm b/src/include/rgb555.asm
index f019619..cb7f181 100644
--- a/src/include/rgb555.asm
+++ b/src/include/rgb555.asm
@@ -146,9 +146,9 @@ MACRO DEF_RGB555_FROM24
     DEF R_C1 EQU (MUL(R_C0, +1.15039q25, 25) + MUL(G_C0, -0.22976q25, 25) + MUL(B_C0, +0.07949q25, 25))
     DEF G_C1 EQU (MUL(R_C0, +0.02568q25, 25) + MUL(G_C0, +1.48972q25, 25) + MUL(B_C0, -0.51540q25, 25))
     DEF B_C1 EQU (MUL(R_C0, -0.17271q25, 25) + MUL(G_C0, -0.18713q25, 25) + MUL(B_C0, +1.35983q25, 25))
-    ; DEF R_C1 EQU (MUL(R_C0, +1.0q25, 25) + MUL(G_C0, +0.0q25, 25) + MUL(B_C0, +0.0q25, 25))
-    ; DEF G_C1 EQU (MUL(R_C0, +0.0q25, 25) + MUL(G_C0, +1.0q25, 25) + MUL(B_C0, +0.0q25, 25))
-    ; DEF B_C1 EQU (MUL(R_C0, +0.0q25, 25) + MUL(G_C0, +0.0q25, 25) + MUL(B_C0, +1.0q25, 25))
+    ; DEF R_C1 EQU (MUL(R_C0, +0.86629q25, 25) + MUL(G_C0, +0.13361q25, 25) + MUL(B_C0, +0.00000q25, 25))
+    ; DEF G_C1 EQU (MUL(R_C0, +0.02429q25, 25) + MUL(G_C0, +0.70857q25, 25) + MUL(B_C0, +0.25714q25, 25))
+    ; DEF B_C1 EQU (MUL(R_C0, +0.11337q25, 25) + MUL(G_C0, +0.11448q25, 25) + MUL(B_C0, +0.77215q25, 25))
 
 
     ; To display gamma.