If the retro look is the plan then start with a new front door in a MCM style . The yellow brick is very retro so do not paint tht unless you want to instantly devalue your house.These are color for the siding that would work .

I like this for landscaping inspiration notice the garage door and front door style

Since you just installed white windows the trim should be white. I also think the garage doors would look better white. The brown gives them a black hole effect. Definitely change up the front door as Patricia says. It's very uninspiring currently but it could be an asset to the appearance of the house. I like the dark blue gray color shown above in Patricia's comment, and olive green would also work, or bronze if you want something more subtle. This is BM Cambridge Green, 468:

and the very popular SW Urbane Bronze:

Based on the previous and existing colors, you color scheme is gold brick, gray siding and off white trim.

What color is the roof?

Try the colour of the grout, which looks to be a brownish gray. That's usually a way to harmonize nicely with the brick. Maybe go a little darker on the garage doors, but I would not go very dark. Not white for the garage doors as that will make them pop.

Charcoal would be a nice complement for your brick.

I think those grays are too dark, & white mat be too bright( for garage doors). Something softer but maybe creamy or tawny. Because the garage is prominent and not so great to emphasize the doors. More make it look like part of the house mass and balance with landscaping and front door. I usually am wary of mixing gray with yellow because the grays are often too cold- though there are some classic yellow, gray and white color schemes. Maybe a light greige as Patricia showed.
I don’t care for the garage, gables and roof all dark— it’s as though the rest of the house is a tiny blip.

Maybe continue with some of the visualizations, going closer to the brick color but not exactly.
Or if it’s easier, use a paint company app and pretend your brick is paint so you find something close to that color in the deck , and put in gables & trim & such in various colors.

Another thing listedv did …..that should not go unnoticed ….is the fresh new driveway…..it is a huge part of your curb appeal…i would search for affordable options to dress that up a little too

I wish I could do the driveway but it is crazy big….it can fit 9 cars on it🤣….we are planning on doing the front pathway in a rubber coating as the concrete there is completely destroyed. Maybe one day when we win the lottery! We live in Canada so everything is so expensive to do here. I’m loving all the ideas though. Thank you all for your help! I tried to do some quite photoshopping of my own after sing your ideas and these are a few I came up with:

See if you like Sherwin Williams Quiver Tan as a paint color.

I think I like the gables “ painted out”, that is, not trimmed in white, because, why emphasize those 2 triangles? But not so dark. And garage same color.

Muted green would work good with tan brick.

Here’s where I’m struggling— it seems the gables siding should closer to brick color or else it looks like 2 houses stuck together. So, not thinking of the gables in an accent color that contrasts as much as above.
Then see whether garage doors should be slightly different, or the same but all that be slightly diff, since paint and siding won’t ever exactly” match” the brick, and have different texture and structure, so, shadows and angles that aren’t as apparent in a photoshop, so slightly different may look more intentional than a bad color match.

Yellow siding, white trim (to match the windows), and charcoal doors to coordinate with the roof that look grey on my computer.

lisedv, your yellow siding rendering is what I envisioned to unify the house!

I think the garage doors can look good gray to Ecco the roof, but I would play around with lighter colors also.