Closest hex to #639386 is #698

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#698

639386

639386

contains 69

069 169 269 369 469 569 669 690 691 692 693 694 695 696 697 698 699 69a 69b 69c 69d 69e 69f 769 869 969 a69 b69 c69 d69 e69 f69

contains 98

098 198 298 398 498 598 698 798 898 980 981 982 983 984 985 986 987 988 989 98a 98b 98c 98d 98e 98f 998 a98 b98 c98 d98 e98 f98

contains 68

068 168 268 368 468 568 668 680 681 682 683 684 685 686 687 688 689 68a 68b 68c 68d 68e 68f 768 868 968 a68 b68 c68 d68 e68 f68