Closest hex to #999900 is #990

Minify your CSS by half!

#
#990

999900

999900

contains 99

099 199 299 399 499 599 699 799 899 990 991 992 993 994 995 996 997 998 999 99a 99b 99c 99d 99e 99f a99 b99 c99 d99 e99 f99

contains 90

090 190 290 390 490 590 690 790 890 900 901 902 903 904 905 906 907 908 909 90a 90b 90c 90d 90e 90f 990 a90 b90 c90 d90 e90 f90

contains 90

090 190 290 390 490 590 690 790 890 900 901 902 903 904 905 906 907 908 909 90a 90b 90c 90d 90e 90f 990 a90 b90 c90 d90 e90 f90