Have you considered a tone on tone combination? This timeless grey palette is elegant, classic and very neutral.
Do you prefer a little punch of colour? Maybe one of these color combinations would do the trick?
If you find attempting the exterior of your home to be a little daunting, maybe consulting with a designer would give you more insight into different color combinations and finishes so that you achieve an overall cohesive look to your home.
If you need help finding help sourcing an expert in the design world, let me know and I'll gladly point you in the right direction.
You can get in touch with me on Twitter, LinkedIn or Facebook or email at firstname.lastname@example.org or 403.605.0872.