I need to see pics of your house and the choice . IMO gutters are not a design element and best the same as the roof and the downspouts the same as the siding color.

Tried New Penny and Coppertone instead of just rustic or copper... here's some sites that have copper toned aluminum gutters...

http://talbertgutters.com/projects/

https://www.grooverroofingandsiding.com/spouting/

https://www.dennisonexteriorsolutions.com/bridgman-michigan-seamless-gutter-downspout-project-2/

https://gutterpro.com/new-copper-gutter-installation-in-plymouth/

Keep in mind that gutters often don't match the roof- they often match the soffit and facia. . Downspounts often don't match the siding, but usually match the gutters. If you choose copper, it will pop from the roof, soffit and facia, and siding/trim colors.

Wow, thank you both for the feedback!

So, actually this is for my detached garage. The old roof is leaking and has to be fixed. Because the current gutters are attached with roof straps over the shingles, they've got to go, too. So replacing the gutters is sort of a "might as well do it now while the old gutters and roof are torn off." As you can tell, I don't know much about it, although now I have been reading about it for days and my head is swimming. I was just drawn to the "rustic copper" (a two-tone painted aluminum that kind of looks like a hammered copper) and also the shiny "copper penny" and the darker "designer copper" just because they're so pretty in the samples and I love copper in all its shades. The more I think of how it would look on the building, though, the more I agree it won't fit. I just thought it would be fun to get something on the garage that I would never be able to afford for the entire house. The house was built in 1920 and is a red brick colonial revival (I think?) BUT I'm almost positive the detached small garage was added later; it's some sort of decorative concrete block. I just keep going round and round about what color or style gutter, because then I'll have to decide what color to paint the soffit and fascia, and the trim, and the door, etc etc!

I'll add a photo of the garage that I doctored on the Owens-Corning site to show my choice of roof; I also lightened up the concrete block a little to mimic if I power-wash it, and I made the door green (it's actually white right now.) Now I'm thinking a half-round gutter might be more appropriate to when the garage was likely built? At this point, I think I'll just have the roof done and leave it with no gutters at all until I can get some information to make a decision.

Also, here's a shot of the garage with the back of the house in the background; this one is from the garage door website with our to-be-installed door pasted on. Eventually I'll get the same shingle color on the house as we're getting for the garage (Duration Driftwood), but we can always do totally different gutters and trim paint and so on for the house.

I have definitely decided not to decide for now :-)

Just going clean up the concrete, scrape and primer the eaves, get rid of the old gutters, and get the new roof and garage door on. Then I can make some better decisions about gutters and painting the trim and the man-door. Such a relief to not feel like I have to hurry up and make a choice! The world won't end if there are no gutters on my garage for a while.