Closest hex to #168c1c is #182

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#
#182

168c1c

168c1c

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

contains 82

082 182 282 382 482 582 682 782 820 821 822 823 824 825 826 827 828 829 82a 82b 82c 82d 82e 82f 882 982 a82 b82 c82 d82 e82 f82

contains 12

012 112 120 121 122 123 124 125 126 127 128 129 12a 12b 12c 12d 12e 12f 212 312 412 512 612 712 812 912 a12 b12 c12 d12 e12 f12