Closest hex to #664422 is #642

Minify your CSS by half!

#
#642

664422

664422

contains 64

064 164 264 364 464 564 640 641 642 643 644 645 646 647 648 649 64a 64b 64c 64d 64e 64f 664 764 864 964 a64 b64 c64 d64 e64 f64

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 62

062 162 262 362 462 562 620 621 622 623 624 625 626 627 628 629 62a 62b 62c 62d 62e 62f 662 762 862 962 a62 b62 c62 d62 e62 f62