Closest hex to #40203c is #424

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#424

40203c

40203c

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 24

024 124 224 240 241 242 243 244 245 246 247 248 249 24a 24b 24c 24d 24e 24f 324 424 524 624 724 824 924 a24 b24 c24 d24 e24 f24

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