Closest hex to #66aa77 is #6a7

Minify your CSS by half!

#
#6a7

66aa77

66aa77

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 a7

0a7 1a7 2a7 3a7 4a7 5a7 6a7 7a7 8a7 9a7 a70 a71 a72 a73 a74 a75 a76 a77 a78 a79 a7a a7b a7c a7d a7e a7f aa7 ba7 ca7 da7 ea7 fa7

contains 67

067 167 267 367 467 567 667 670 671 672 673 674 675 676 677 678 679 67a 67b 67c 67d 67e 67f 767 867 967 a67 b67 c67 d67 e67 f67