Closest hex to #ffff99 is #ff9

Minify your CSS by half!

#
#ff9

ffff99

ffff99

contains ff

0ff 1ff 2ff 3ff 4ff 5ff 6ff 7ff 8ff 9ff aff bff cff dff eff ff0 ff1 ff2 ff3 ff4 ff5 ff6 ff7 ff8 ff9 ffa ffb ffc ffd ffe fff

contains f9

0f9 1f9 2f9 3f9 4f9 5f9 6f9 7f9 8f9 9f9 af9 bf9 cf9 df9 ef9 f90 f91 f92 f93 f94 f95 f96 f97 f98 f99 f9a f9b f9c f9d f9e f9f ff9

contains f9

0f9 1f9 2f9 3f9 4f9 5f9 6f9 7f9 8f9 9f9 af9 bf9 cf9 df9 ef9 f90 f91 f92 f93 f94 f95 f96 f97 f98 f99 f9a f9b f9c f9d f9e f9f ff9