Center speaker to pair with Vintage Kef 105’s


I have a pair of Kef 105’s and would like to build a home theater around them. Any suggestions on a center channel speaker current or late madel, Kef or other brand that would pair well with these speakers ?
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My 5 channel system is KEF 105/3's with KEF 200C and pair of KEF 101/3.  I am the original owner of all, had the 105/3's re-foamed in 2016.  The 200C is an awesome center to my ears.
I just retired my 7.1 system which consists of KEF 105.2 as mains with 5 103.2s for the center and surrounds. Too laid back for a  surround system. Time for change.
101’s would work w low end rolled off, use the pair w tweeters inboard