Closest hex to #22ffbb is #2fb

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#2fb

22ffbb

22ffbb

contains 2f

02f 12f 22f 2f0 2f1 2f2 2f3 2f4 2f5 2f6 2f7 2f8 2f9 2fa 2fb 2fc 2fd 2fe 2ff 32f 42f 52f 62f 72f 82f 92f a2f b2f c2f d2f e2f f2f

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 2b

02b 12b 22b 2b0 2b1 2b2 2b3 2b4 2b5 2b6 2b7 2b8 2b9 2ba 2bb 2bc 2bd 2be 2bf 32b 42b 52b 62b 72b 82b 92b a2b b2b c2b d2b e2b f2b