Closest hex to #424221 is #442

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#
#442

424221

424221

contains 44

044 144 244 344 440 441 442 443 444 445 446 447 448 449 44a 44b 44c 44d 44e 44f 544 644 744 844 944 a44 b44 c44 d44 e44 f44

contains 42

042 142 242 342 420 421 422 423 424 425 426 427 428 429 42a 42b 42c 42d 42e 42f 442 542 642 742 842 942 a42 b42 c42 d42 e42 f42

contains 42

042 142 242 342 420 421 422 423 424 425 426 427 428 429 42a 42b 42c 42d 42e 42f 442 542 642 742 842 942 a42 b42 c42 d42 e42 f42