Closest hex to #cc2222 is #c22

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#
#c22

cc2222

cc2222

contains c2

0c2 1c2 2c2 3c2 4c2 5c2 6c2 7c2 8c2 9c2 ac2 bc2 c20 c21 c22 c23 c24 c25 c26 c27 c28 c29 c2a c2b c2c c2d c2e c2f cc2 dc2 ec2 fc2

contains 22

022 122 220 221 222 223 224 225 226 227 228 229 22a 22b 22c 22d 22e 22f 322 422 522 622 722 822 922 a22 b22 c22 d22 e22 f22

contains c2

0c2 1c2 2c2 3c2 4c2 5c2 6c2 7c2 8c2 9c2 ac2 bc2 c20 c21 c22 c23 c24 c25 c26 c27 c28 c29 c2a c2b c2c c2d c2e c2f cc2 dc2 ec2 fc2