Well, not sure what "color" you're referring to as you have bricks, stone, siding, and trim.

I'll assume you mean the beige(ish) trim? Which I really like because it provides contrast....

But you also mention "darker gray", so you might be referring to the siding on the peaks? I like it light and consider that if you put a dark gray there, then the beige would be incongruous as the ONLY light color in a sea of dark.