If the issue is completely tied to the stain - adding a little more brown can do the trick. As with anything like this - try it out on another piece of the same kind of stained wood as your finished siding. Or - try this out in a more concealed area. If the issue is the wood itself - as in the wood is more red than what you’d hoped for - there are a couple of strategies. The web site woodworkly.com offers 3 different approaches. Good luck -