diff --git a/constants/sprite_data_constants.asm b/constants/sprite_data_constants.asm
index 2bab7abf3..3bc17beea 100644
--- a/constants/sprite_data_constants.asm
+++ b/constants/sprite_data_constants.asm
@@ -19,10 +19,10 @@ DEF NUM_SPRITEDATA_FIELDS EQU _RS
 	const PAL_OW_BLUE   ; 1
 	const PAL_OW_GREEN  ; 2
 	const PAL_OW_BROWN  ; 3
-	const PAL_OW_MISC   ; 4
-	const PAL_OW_EMOTE  ; 5
-	const PAL_OW_TREE   ; 6
-	const PAL_OW_ROCK   ; 7
+	const PAL_OW_EMOTE  ; 4
+	const PAL_OW_TREE   ; 5
+	const PAL_OW_ROCK   ; 6
+	const PAL_OW_MISC   ; 7
 
 ; object_events set bit 3 so as not to use the sprite's default palette
 ; MapObjectPals indexes (see gfx/overworld/npc_sprites.pal)
diff --git a/engine/gfx/color.asm b/engine/gfx/color.asm
index a91816dc2..955ad4e0a 100644
--- a/engine/gfx/color.asm
+++ b/engine/gfx/color.asm
@@ -628,7 +628,7 @@ INCLUDE "data/pokemon/palettes.asm"
 INCLUDE "data/trainers/palettes.asm"
 
 LoadMapPals:
-	call LoadDarknessPaletteIfDark ; also handles darkness palettes
+	call LoadDarknessPaletteIfDark
 	jr c, .got_pals
 
 	; Which palette group is based on whether we're outside or inside
@@ -697,8 +697,8 @@ LoadMapPals:
 	jr nz, .not_darkness
 	ld a, BANK(wOBPals1)
 	ld de, wOBPals1
-	ld hl, NPCDarknessPalette
-	ld bc, 8 palettes
+	ld hl, MapObjectDarknessPals
+	ld bc, 7 palettes
 	jp FarCopyWRAM
 
 .not_darkness
@@ -708,7 +708,7 @@ LoadMapPals:
 	ld hl, MapObjectPals
 	call AddNTimes
 	ld de, wOBPals1
-	ld bc, 8 palettes
+	ld bc, 7 palettes
 	ld a, BANK(wOBPals1)
 	call FarCopyWRAM
 
@@ -759,7 +759,7 @@ LoadDarknessPaletteIfDark:
 LoadDarknessPalette:
 	ld a, BANK(wBGPals1)
 	ld de, wBGPals1
-	ld hl, DarknessPalette
+	ld hl, TilesetBGDarknessPalette
 	ld bc, 8 palettes
 	jp FarCopyWRAM
 
@@ -771,13 +771,13 @@ INCLUDE "gfx/stats/party_menu_bg_mobile.pal"
 PartyMenuBGPalette:
 INCLUDE "gfx/stats/party_menu_bg.pal"
 
-DarknessPalette:
+TilesetBGDarknessPalette:
 INCLUDE "gfx/tilesets/bg_tiles_darkness.pal"
 
 TilesetBGPalette:
 INCLUDE "gfx/tilesets/bg_tiles.pal"
 
-NPCDarknessPalette:
+MapObjectDarknessPals:
 INCLUDE "gfx/overworld/npc_sprites_darkness.pal"
 
 MapObjectPals::
diff --git a/gfx/overworld/npc_sprites.pal b/gfx/overworld/npc_sprites.pal
index 14c9382cd..2988859bd 100644
--- a/gfx/overworld/npc_sprites.pal
+++ b/gfx/overworld/npc_sprites.pal
@@ -3,37 +3,37 @@
 	RGB 28,31,16, 31,19,10, 10,09,31, 00,00,00 ; blue
 	RGB 28,31,16, 31,19,10, 07,23,03, 00,00,00 ; green
 	RGB 28,31,16, 31,19,10, 15,10,03, 00,00,00 ; brown
-	RGB 28,31,16, 31,19,10, 30,10,06, 00,00,00 ; pink
 	RGB 31,31,31, 31,31,31, 13,13,13, 00,00,00 ; silver
 	RGB 22,31,10, 12,25,01, 05,14,00, 07,07,07 ; tree
 	RGB 28,31,16, 24,18,07, 20,15,03, 07,07,07 ; rock
+	RGB 28,31,16, 31,19,10, 30,10,06, 00,00,00 ; misc (unused; not copied)
 
 ; day
 	RGB 27,31,27, 31,19,10, 31,07,01, 00,00,00 ; red
 	RGB 27,31,27, 31,19,10, 10,09,31, 00,00,00 ; blue
 	RGB 27,31,27, 31,19,10, 07,23,03, 00,00,00 ; green
 	RGB 27,31,27, 31,19,10, 15,10,03, 00,00,00 ; brown
-	RGB 27,31,27, 31,19,10, 30,10,06, 00,00,00 ; pink
 	RGB 31,31,31, 31,31,31, 13,13,13, 00,00,00 ; silver
 	RGB 22,31,10, 12,25,01, 05,14,00, 07,07,07 ; tree
 	RGB 27,31,27, 24,18,07, 20,15,03, 07,07,07 ; rock
+	RGB 27,31,27, 31,19,10, 30,10,06, 00,00,00 ; misc (unused; not copied)
 
 ; nite
 	RGB 15,14,24, 31,19,10, 31,07,01, 00,00,00 ; red
 	RGB 15,14,24, 31,19,10, 10,09,31, 00,00,00 ; blue
 	RGB 15,14,24, 31,19,10, 07,23,03, 00,00,00 ; green
 	RGB 15,14,24, 31,19,10, 15,10,03, 00,00,00 ; brown
-	RGB 15,14,24, 31,19,10, 30,10,06, 00,00,00 ; pink
 	RGB 31,31,31, 31,31,31, 13,13,13, 00,00,00 ; silver
 	RGB 15,14,24, 08,13,19, 00,11,13, 00,00,00 ; tree
 	RGB 15,14,24, 12,09,15, 08,04,05, 00,00,00 ; rock
+	RGB 15,14,24, 31,19,10, 30,10,06, 00,00,00 ; misc (unused; not copied)
 
 ; eve
 	RGB 31,21,14, 31,19,10, 31,07,01, 00,00,00 ; red
 	RGB 31,21,14, 31,19,10, 10,09,31, 00,00,00 ; blue
 	RGB 31,21,14, 31,19,10, 07,23,03, 00,00,00 ; green
 	RGB 31,21,14, 31,19,10, 15,10,03, 00,00,00 ; brown
-	RGB 31,21,14, 31,19,10, 30,10,06, 00,00,00 ; pink
 	RGB 31,31,31, 31,31,31, 13,13,13, 00,00,00 ; silver
 	RGB 19,23,08, 10,19,01, 04,10,00, 06,05,05 ; tree
 	RGB 31,21,14, 21,13,05, 16,09,01, 06,05,05 ; rock
+	RGB 31,21,14, 31,19,10, 30,10,06, 00,00,00 ; misc (unused; not copied)
diff --git a/gfx/overworld/npc_sprites_darkness.pal b/gfx/overworld/npc_sprites_darkness.pal
index 8c3959e6a..94efefed8 100755
--- a/gfx/overworld/npc_sprites_darkness.pal
+++ b/gfx/overworld/npc_sprites_darkness.pal
@@ -3,7 +3,7 @@
 	RGB 01,01,02, 31,19,10, 10,09,31, 00,00,00 ; blue
 	RGB 01,01,02, 31,19,10, 07,23,03, 00,00,00 ; green
 	RGB 01,01,02, 31,19,10, 15,10,03, 00,00,00 ; brown
-	RGB 01,01,02, 31,19,10, 30,10,06, 00,00,00 ; pink
 	RGB 31,31,31, 31,31,31, 13,13,13, 00,00,00 ; silver
 	RGB 01,01,02, 00,00,00, 00,00,00, 00,00,00 ; tree
 	RGB 01,01,02, 00,00,00, 00,00,00, 00,00,00 ; rock
+	RGB 01,01,02, 31,19,10, 30,10,06, 00,00,00 ; misc (unused; not copied)
diff --git a/gfx/tilesets/bg_tiles.pal b/gfx/tilesets/bg_tiles.pal
index 6039146a0..6140570a5 100644
--- a/gfx/tilesets/bg_tiles.pal
+++ b/gfx/tilesets/bg_tiles.pal
@@ -1,3 +1,5 @@
+; see data/maps/environment_colors.asm
+
 ; morn
 	RGB 28,31,16, 21,21,21, 13,13,13, 07,07,07 ; gray
 	RGB 28,31,16, 31,19,24, 30,10,06, 07,07,07 ; red
@@ -6,7 +8,7 @@
 	RGB 28,31,16, 31,31,07, 31,16,01, 07,07,07 ; yellow
 	RGB 28,31,16, 24,18,07, 20,15,03, 07,07,07 ; brown
 	RGB 28,31,16, 15,31,31, 05,17,31, 07,07,07 ; roof (overwritten if outdoor env)
-	RGB 31,31,31, 31,31,16, 14,09,00, 00,00,00 ; text (always overwritten)
+	RGB 31,31,31, 31,31,16, 14,09,00, 00,00,00 ; text (unused)
 
 ; day
 	RGB 27,31,27, 21,21,21, 13,13,13, 07,07,07 ; gray
@@ -16,7 +18,7 @@
 	RGB 27,31,27, 31,31,07, 31,16,01, 07,07,07 ; yellow
 	RGB 27,31,27, 24,18,07, 20,15,03, 07,07,07 ; brown
 	RGB 27,31,27, 15,31,31, 05,17,31, 07,07,07 ; roof (overwritten if outdoor env)
-	RGB 31,31,31, 31,31,16, 14,09,00, 00,00,00 ; text (always overwritten)
+	RGB 31,31,31, 31,31,16, 14,09,00, 00,00,00 ; text (unused)
 
 ; nite
 	RGB 15,14,24, 11,11,19, 07,07,12, 00,00,00 ; gray
@@ -26,7 +28,7 @@
 	RGB 30,30,11, 16,14,18, 16,14,10, 00,00,00 ; yellow
 	RGB 15,14,24, 12,09,15, 08,04,05, 00,00,00 ; brown
 	RGB 15,14,24, 13,12,23, 11,09,20, 00,00,00 ; roof (overwritten if outdoor env)
-	RGB 31,31,31, 31,31,16, 14,09,00, 00,00,00 ; text (always overwritten)
+	RGB 31,31,31, 31,31,16, 14,09,00, 00,00,00 ; text (unused)
 
 ; eve
 	RGB 31,21,14, 18,16,16, 11,10,10, 06,05,05 ; gray
@@ -36,7 +38,7 @@
 	RGB 31,31,07, 27,21,10, 25,12,01, 06,05,05 ; yellow
 	RGB 31,21,14, 21,13,05, 16,09,01, 06,05,05 ; brown
 	RGB 31,21,14, 13,23,23, 04,13,23, 06,05,05 ; roof (overwritten if outdoor env)
-	RGB 31,31,31, 31,31,16, 14,09,00, 00,00,00 ; text (always overwritten)
+	RGB 31,31,31, 31,31,16, 14,09,00, 00,00,00 ; text (unused)
 
 ; building (morn/day)
 	RGB 30,28,26, 19,19,19, 13,13,13, 07,07,07 ; gray
@@ -46,7 +48,7 @@
 	RGB 30,28,26, 31,31,07, 31,16,01, 07,07,07 ; yellow
 	RGB 26,24,17, 21,17,07, 16,13,03, 07,07,07 ; brown
 	RGB 30,28,26, 17,19,31, 14,16,31, 07,07,07 ; roof (overwritten if outdoor env)
-	RGB 31,31,31, 31,31,16, 14,09,00, 00,00,00 ; text (always overwritten)
+	RGB 31,31,31, 31,31,16, 14,09,00, 00,00,00 ; text (unused)
 
 ; overworld water (outdoor)
 	RGB 23,23,31, 18,19,31, 13,12,31, 07,07,07 ; morn
diff --git a/gfx/tilesets/bg_tiles_darkness.pal b/gfx/tilesets/bg_tiles_darkness.pal
index 2582d3c2c..db5df8754 100755
--- a/gfx/tilesets/bg_tiles_darkness.pal
+++ b/gfx/tilesets/bg_tiles_darkness.pal
@@ -1,3 +1,5 @@
+; in darkness, these eight are always used rather than following environment colors indices
+
 ; dark
 	RGB 01,01,02, 00,00,00, 00,00,00, 00,00,00 ; gray
 	RGB 01,01,02, 00,00,00, 00,00,00, 00,00,00 ; red