I've always likened the police force in Payday to Majestic-12 in Deus Ex, so I thought I'd knock up a quick reskin of the tan SWATs. Don't expect anything high quality.
Extract into assets/mod_overrides.
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Known issues: this mod also recolours Shields' helmets - since they share the same helmet with tans, either I've acted dum or there's no way around it. Most likely the former.