diff --git a/data/tilesets/secondary/rustboro/metatiles.bin b/data/tilesets/secondary/rustboro/metatiles.bin
index 585e3a6c29..63ecf0306e 100644
Binary files a/data/tilesets/secondary/rustboro/metatiles.bin and b/data/tilesets/secondary/rustboro/metatiles.bin differ
diff --git a/data/tilesets/secondary/rustboro/palettes/06.pal b/data/tilesets/secondary/rustboro/palettes/06.pal
index 5851fc31aa..e73db0e700 100644
--- a/data/tilesets/secondary/rustboro/palettes/06.pal
+++ b/data/tilesets/secondary/rustboro/palettes/06.pal
@@ -1,19 +1,19 @@
 JASC-PAL
 0100
 16
-248 224 120
+224 136 8
 255 255 255
-238 238 213
-205 205 164
+216 224 232
+184 200 224
 136 144 152
 131 131 139
 98 98 123
-65 74 106
-41 49 90
+64 72 104
+40 48 88
 205 213 230
 139 180 213
-205 238 189
-164 205 172
-139 189 139
-123 164 74
-115 197 164
+128 128 136
+216 224 232
+0 0 0
+0 0 0
+248 224 120
diff --git a/data/tilesets/secondary/rustboro/tiles.png b/data/tilesets/secondary/rustboro/tiles.png
index 0ae3620c7d..3c71f263bb 100644
Binary files a/data/tilesets/secondary/rustboro/tiles.png and b/data/tilesets/secondary/rustboro/tiles.png differ
diff --git a/src/palette.c b/src/palette.c
index 593c9bcd45..f433f442b2 100644
--- a/src/palette.c
+++ b/src/palette.c
@@ -983,24 +983,27 @@ void TimePalette(u16 palOffset, u16 numEntries, u8 coeff, u16 blendColor) {
   u16 i;
   s8 r, g, b;
   struct PlttData *data2 = (struct PlttData *)&blendColor;
+  struct PlttData *data3;
+  struct PlttData *blendData;
+  u16 altBlendIndices = 0;
   for (i = 0; i < numEntries; i++) {
     u16 index = i + palOffset;
     struct PlttData *data1 = (struct PlttData *)&gPlttBufferUnfaded[index];
     if (i == 0) {
-      if (data1->unused_15) { // Use transparency color to blend
-        data2 = data1;
+      if (data1->unused_15) { // Color 0 is a bitmask for which colors to blend; color 15 is the alt blend color
         gPlttBufferFaded[index] = gPlttBufferUnfaded[index];
+        altBlendIndices = gPlttBufferUnfaded[index] & 0x7FFF;
+        data3 = (struct PlttData *)&gPlttBufferUnfaded[index+15];
       }
-      else if (data2->unused_15) // Set transparency/blending color
-        gPlttBufferUnfaded[index] = gPlttBufferFaded[index] = blendColor;
       continue;
     }
     r = data1->r;
     g = data1->g;
     b = data1->b;
-    gPlttBufferFaded[index] = RGB(r + (((data2->r - r) * coeff) >> 4),
-                                  g + (((data2->g - g) * coeff) >> 4),
-                                  b + (((data2->b - b) * coeff) >> 4));
+    blendData = (altBlendIndices && altBlendIndices & (1 << i)) ? data3 : data2;
+    gPlttBufferFaded[index] = RGB(r + (((blendData->r - r) * coeff) >> 4),
+                                  g + (((blendData->g - g) * coeff) >> 4),
+                                  b + (((blendData->b - b) * coeff) >> 4));
   }
 }