Closest hex to #fffb00 is #ff0

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#ff0

fffb00

fffb00

contains ff

0ff 1ff 2ff 3ff 4ff 5ff 6ff 7ff 8ff 9ff aff bff cff dff eff ff0 ff1 ff2 ff3 ff4 ff5 ff6 ff7 ff8 ff9 ffa ffb ffc ffd ffe fff

contains f0

0f0 1f0 2f0 3f0 4f0 5f0 6f0 7f0 8f0 9f0 af0 bf0 cf0 df0 ef0 f00 f01 f02 f03 f04 f05 f06 f07 f08 f09 f0a f0b f0c f0d f0e f0f ff0

contains f0

0f0 1f0 2f0 3f0 4f0 5f0 6f0 7f0 8f0 9f0 af0 bf0 cf0 df0 ef0 f00 f01 f02 f03 f04 f05 f06 f07 f08 f09 f0a f0b f0c f0d f0e f0f ff0