Closest hex to #55ffbb is #5fb

Minify your CSS by half!

#
#5fb

55ffbb

55ffbb

contains 5f

05f 15f 25f 35f 45f 55f 5f0 5f1 5f2 5f3 5f4 5f5 5f6 5f7 5f8 5f9 5fa 5fb 5fc 5fd 5fe 5ff 65f 75f 85f 95f a5f b5f c5f d5f e5f f5f

contains fb

0fb 1fb 2fb 3fb 4fb 5fb 6fb 7fb 8fb 9fb afb bfb cfb dfb efb fb0 fb1 fb2 fb3 fb4 fb5 fb6 fb7 fb8 fb9 fba fbb fbc fbd fbe fbf ffb

contains 5b

05b 15b 25b 35b 45b 55b 5b0 5b1 5b2 5b3 5b4 5b5 5b6 5b7 5b8 5b9 5ba 5bb 5bc 5bd 5be 5bf 65b 75b 85b 95b a5b b5b c5b d5b e5b f5b