Color palette 1: Galadriel
#19100a
#341f16
#692c1c
#653e27
#93532d
#8e5a2a
#b28348
#4a4b36
#21251b
#121b1a
Color palette 2: Lindon
#3a1e07
#543514
#a25809
#9b6b35
#e0941e
#f7c36b
#edd7a8
#bcb099
#72612e
#493d1a
Color palette 3: Elrond
#1d1a10
#261609
#2c1c10
#412e17
#613407
#a65a09
#c1790d
#c97940
#d8945d
#c89c66
Color palette 4: Mordor
#131718
#161f1c
#263028
#434e43
#7c7c63
#a39b7b
#ffe9b8
#f2902f
#ab4906
#401c0d
Color palette 5: Rhûn
#130c0a
#1e1a17
#5e1e06
#802c01
#5f3e2e
#8e4927
#bd6527
#fb963d
#fcc276
#fef2a2
Color palette 6: Damrod
#101514
#1a2019
#1d2925
#223433
#2b3e3c
#3c5350
#566b66
#75857b
#a7aa96
#cfc8ad
Color palette 7: Halbrand
#0e1b1d
#1c2826
#293129
#394c48
#315562
#75969b
#afc3b7
#7f8079
#3f3e3a
#2f252b
Color palette 8: Disa
#060606
#2a1700
#522900
#714210
#b16017
#ffc579
#523715
#2b2716
#211c0e
#16180c
Color palette 9: Numenórean sea monster
#000000
#001014
#001416
#071a1b
#022021
#07292e
#073b42
#004147
#004b54
#06505c
Color palette 10: Stranger/Gandalf
#372517
#282116
#333120
#51432c
#865e2c
#c89559
#fde9be
#aabfb8
#538c9b
#2e6174
Color palette 11: Arondir
#010a06
#091619
#162f26
#1e3738
#284b4f
#525753
#2f2c26
#23221e
#161710
#131310
Color palette 12: Adar
#060d00
#121514
#161c18
#19251f
#223231
#324543
#668379
#8f9f92
#636559
#4f5147
Source: Prime Video on Twitter