Closest hex to #999910 is #991

Minify your CSS by half!

#
#991

999910

999910

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 91

091 191 291 391 491 591 691 791 891 910 911 912 913 914 915 916 917 918 919 91a 91b 91c 91d 91e 91f 991 a91 b91 c91 d91 e91 f91

contains 91

091 191 291 391 491 591 691 791 891 910 911 912 913 914 915 916 917 918 919 91a 91b 91c 91d 91e 91f 991 a91 b91 c91 d91 e91 f91