Closest hex to #aa88ff is #a8f

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#a8f

aa88ff

aa88ff

contains a8

0a8 1a8 2a8 3a8 4a8 5a8 6a8 7a8 8a8 9a8 a80 a81 a82 a83 a84 a85 a86 a87 a88 a89 a8a a8b a8c a8d a8e a8f aa8 ba8 ca8 da8 ea8 fa8

contains 8f

08f 18f 28f 38f 48f 58f 68f 78f 88f 8f0 8f1 8f2 8f3 8f4 8f5 8f6 8f7 8f8 8f9 8fa 8fb 8fc 8fd 8fe 8ff 98f a8f b8f c8f d8f e8f f8f

contains af

0af 1af 2af 3af 4af 5af 6af 7af 8af 9af aaf af0 af1 af2 af3 af4 af5 af6 af7 af8 af9 afa afb afc afd afe aff baf caf daf eaf faf