Closest hex to #c9a9a1 is #ca9

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#
#ca9

c9a9a1

c9a9a1

contains ca

0ca 1ca 2ca 3ca 4ca 5ca 6ca 7ca 8ca 9ca aca bca ca0 ca1 ca2 ca3 ca4 ca5 ca6 ca7 ca8 ca9 caa cab cac cad cae caf cca dca eca fca

contains a9

0a9 1a9 2a9 3a9 4a9 5a9 6a9 7a9 8a9 9a9 a90 a91 a92 a93 a94 a95 a96 a97 a98 a99 a9a a9b a9c a9d a9e a9f aa9 ba9 ca9 da9 ea9 fa9

contains c9

0c9 1c9 2c9 3c9 4c9 5c9 6c9 7c9 8c9 9c9 ac9 bc9 c90 c91 c92 c93 c94 c95 c96 c97 c98 c99 c9a c9b c9c c9d c9e c9f cc9 dc9 ec9 fc9