Assuming the shutters are staying, I would suggest going with white trim along the roof line to tie in with the window trim, white for the gutters, and a deep purple/eggplant for the shutters and columns which would both work with the gray roof and provide nice contrast with what appears from the photo to be a light butterscotch exterior. I think the green does not ideally complement the rest of the house, gives it a more dated look, and draws the eye more to the lawn and tree leaves vs. the home itself based on the color connection.

Thank you again Lori! I actually answered this last comment of yours with a longer reply but then edited it to correct a hanging parenthesis. Poof! I did everything all right, but the whole thing disappeared anyway. My laptop is in need of a tune up and it's getting a bit glitchy! I wanted you to know I deeply appreciate your thoughtful replies though, so I'm re-writing it (and the boiled down version, here, is more brief--so that's better). Replying to you helped me to ferret out my own thinking process and formulate a plan. I learned something by asking you about the gloss (that it tends to dissipate over time) but I agree...I don't really like "glossy" on the exterior. (And even if it dissipates, there would be areas which could be seen but would be a little more protected from weather and those would stay glossy.) I've realized, without rationalization nor denial, that the difference is only slight in color. I know myself very well: My brain is wired to first and foremost see discrepancies. It sees discrepancies as severely different at first. Yes, it tends to make me a discriminating (okay, "very picky") person (LOL) but over time my brain adjusts and I see more factually how much of a differential really exists. (Being able to see discrepancies so clearly makes me good at analyzing things, so it has its helpful uses!) Knowing this about myself, I placed the samples at a spot in my home which I walk past multiple times per hour so I'd see the samples suddenly and without thinking about them first. Thinking about other things as I went about my day, my eyes landed on the samples without anticipation of seeing them, and my brain told me they are the same color. This happened 3 times. Only upon closer, conscious glances did my brain say, "Oh, those are slightly different." So, perhaps I could live with the color and, as you say, move on! :) I appreciate the comments and, folks, please keep 'em coming if you have something helpful to add. There may be a new idea out there that can re-shape my thinking and help me to distill my best solution. On Monday, I'm going to call and ask some questions: 1. Can the gutter company provide the COLOR of the High Gloss White in a low gloss finish? 2. If not, can the gutter company factory-paint with my paint selections from Benjamin Moore's Aura line, perhaps with an additive to harden the paint? ...and also... 3. Can we identify places on my home where downspouts cross over the body of the house, if any, and have the gutter company paint those pieces of the gutter system a second color, to match the body of the house? Thank you Lori and everybody. I really appreciate your time!

I just went to Sherwin-Williams.com. This is what I got:

Also I'm so grateful to everyone! We've decided today that our favorite is blue to sort of frame the house especially the windows and peek at the very front above the living room picture window(that is not gutter,, I guess it'd be considered trim? Or fascia?) here's the trick: we really want that peak and the rest of the way around the house (gutters) to be in either charcoal blue, in the navy, or anchors away. We love the front windows done in those colors as well so that leaves the trim and the door and the iron rails… We really like that cream that was posted above does anyone know what color that is?any help pulling together a 2/3 color pallet around one of those blues ?