I think you should stick with your gut. I haven't seen the tan fenders in person, but they'd probably look great against that maroon. And SKS plastic fenders have proven themselves sturdy in my experience. Much moreso than the Planet Bike fenders I've dealt with, and I've heard the same from others.
Also,
Originally Posted by
khatfull
My Fuji tourer has SKS plastic in silver with Planet Bike mudflaps (from their spare parts store online, $5):
If coverage is your issue, there you go...
45mm fenders, 27 x 1 1/4" tires. I did have to relieve the fenders to fit the fork.
Nice!