Closest hex to #166da5 is #16a

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#16a

166da5

166da5

contains 16

016 116 160 161 162 163 164 165 166 167 168 169 16a 16b 16c 16d 16e 16f 216 316 416 516 616 716 816 916 a16 b16 c16 d16 e16 f16

contains 6a

06a 16a 26a 36a 46a 56a 66a 6a0 6a1 6a2 6a3 6a4 6a5 6a6 6a7 6a8 6a9 6aa 6ab 6ac 6ad 6ae 6af 76a 86a 96a a6a b6a c6a d6a e6a f6a

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