I have cooled off the highlights on Warmtone (in Warmtone) by using a potassium ferricyanide / potassium bromide bleach and then redeveloped in the same developer. Partial bleaching leaves warmer shadows by comparison.
In theory substituting sodium chloride (adjusted proportion) for the potassium bromide is supposed to give a warmer tone on redevelopment, but my initial experiments have been inconclusive. I need to try again - I could use a warmer tone short of sepia processing or the reddish effect of selenium with this paper. of course, with my colour vision the effect has to be quite blatant 8-)