If your siding were charcoal, I would advise the redder more cedar or redwood look. If you can't change the siding to the darker color go with the lighter brown. Here's the concept.

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I like either of the wood tones, but like to bottom one the best.

I like the wood tones too, but you may want to consider the red door up with it, as these wood tones may have some orange undertones

Dark-darker-darkest!

I'd investigate other products rather than trex. It's been a nightmare product for millions of people and terrible customer service regarding the failures. Do a little research before you commit. Another brand might have other color options, too.

Thank you so much for your input. We decided to forgo the red door because of clashing for white and then we chose the dark brown deck. I would’ve looked elsewhere but trek is the cheapest option. Thank you again!!!

Dark grey imo