Closest hex to #67a401 is #6a0

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#
#6a0

67a401

67a401

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 a0

0a0 1a0 2a0 3a0 4a0 5a0 6a0 7a0 8a0 9a0 a00 a01 a02 a03 a04 a05 a06 a07 a08 a09 a0a a0b a0c a0d a0e a0f aa0 ba0 ca0 da0 ea0 fa0

contains 60

060 160 260 360 460 560 600 601 602 603 604 605 606 607 608 609 60a 60b 60c 60d 60e 60f 660 760 860 960 a60 b60 c60 d60 e60 f60