Closest hex to #137b70 is #177

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#177

137b70

137b70

contains 17

017 117 170 171 172 173 174 175 176 177 178 179 17a 17b 17c 17d 17e 17f 217 317 417 517 617 717 817 917 a17 b17 c17 d17 e17 f17

contains 77

077 177 277 377 477 577 677 770 771 772 773 774 775 776 777 778 779 77a 77b 77c 77d 77e 77f 877 977 a77 b77 c77 d77 e77 f77

contains 17

017 117 170 171 172 173 174 175 176 177 178 179 17a 17b 17c 17d 17e 17f 217 317 417 517 617 717 817 917 a17 b17 c17 d17 e17 f17