That's the "NPC Palette"
The byte that determines which slot it loads into on the GBA is the "pal register"
It's set to 10 for you, so change that to 0 and it'll be in the 0 slot.
The byte that determines which slot it loads into on the GBA is the "pal register"
It's set to 10 for you, so change that to 0 and it'll be in the 0 slot.