Closest hex to #15b213 is #1a1

Minify your CSS by half!

#
#1a1

15b213

15b213

contains 1a

01a 11a 1a0 1a1 1a2 1a3 1a4 1a5 1a6 1a7 1a8 1a9 1aa 1ab 1ac 1ad 1ae 1af 21a 31a 41a 51a 61a 71a 81a 91a a1a b1a c1a d1a e1a f1a

contains a1

0a1 1a1 2a1 3a1 4a1 5a1 6a1 7a1 8a1 9a1 a10 a11 a12 a13 a14 a15 a16 a17 a18 a19 a1a a1b a1c a1d a1e a1f aa1 ba1 ca1 da1 ea1 fa1

contains 11

011 110 111 112 113 114 115 116 117 118 119 11a 11b 11c 11d 11e 11f 211 311 411 511 611 711 811 911 a11 b11 c11 d11 e11 f11