Closest hex to #11aa88 is #1a8

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#
#1a8

11aa88

11aa88

contains 1a

01a 11a 1a0 1a1 1a2 1a3 1a4 1a5 1a6 1a7 1a8 1a9 1aa 1ab 1ac 1ad 1ae 1af 21a 31a 41a 51a 61a 71a 81a 91a a1a b1a c1a d1a e1a f1a

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 18

018 118 180 181 182 183 184 185 186 187 188 189 18a 18b 18c 18d 18e 18f 218 318 418 518 618 718 818 918 a18 b18 c18 d18 e18 f18