We Used AI to Paint a Gray Split-Level 3 Ways. The Garage Door Changed Everything

Mar 30, 2026

Sid Sarasvati

Blog › Exterior · 6 min read

A homeowner in the Pacific Northwest recently posted their gray split-level on r/ExteriorDesign, asking for help envisioning a facelift. Gray siding, gray garage, gray trim. The whole house was one flat color with zero contrast.

If you've been looking for an exterior house paint AI that shows your actual house, not a generic mockup, this is what we built. We opened it in Renovate AI and tried three completely different directions. What surprised us: the garage door swap mattered more than the siding color.

The Challenge

Split-levels are one of the most common and most underestimated home styles in America. Built by the millions in the 1960s-80s, they all share the same curse: that big flat garage face eats half the facade. Paint the siding any color you want. If the garage door stays builder-grade, the house still reads "dated."

This one had good bones. Big lot, mature trees, solid structure. But everything was the same gray. Siding, trim, garage, even the front door blended in. No focal point. No contrast. Nothing to stop your eye.

The original gray split-level, one flat color from siding to garage

Direction 1: Modern Craftsman. Navy, White Trim, Red Door

What we told RAI:

"Navy siding. White trim. Red front door. Carriage-style garage door."

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This was the first direction we tried. It's the best of the three. The navy creates instant depth against the PNW evergreens. The white trim frames every window. And that red door is the one thing your eye finds immediately.

Look at the garage door. Swapping from flat panel to carriage-style is probably a $1,500-2,000 upgrade in real life. It single-handedly breaks the "builder spec" look. The garage goes from the house's biggest weakness to an architectural feature.

Navy + white is a proven contrast pair that photographs beautifully. The red door adds the one warm accent that makes the whole facade feel intentional, not accidental.

Navy siding with white trim, red door, and carriage-style garage door

Direction 2: Pacific Northwest Lodge. Charcoal, Cedar Accents, Forest Green Door

What we told RAI:

"Dark charcoal siding. Cedar shake accents on gable peaks. Forest green door."

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Where the navy direction leans East Coast craftsman, this one leans into where the house actually lives.

Dark charcoal reads rich without trying to be dramatic. The darker accents on the upper gable peaks add texture and warmth that paint alone can't match. The forest green door echoes the evergreens behind the house. This direction works especially well in the Pacific Northwest because the overcast sky acts as a giant softbox. Dark colors that would look heavy in Arizona sun look moody and sophisticated under gray skies.

The accent detail breaks up the single-material look. Instead of "painted siding, everywhere" you get two materials in conversation. The green door ties the house to its landscape.

Charcoal siding with darker accent panels and forest green front door

What if You Went the Opposite Direction? Warm White, Sage Shutters, Black Door

What we told RAI:

"Warm white siding. Sage green shutters. Matte black front door. White carriage garage door."

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Instead of darkening, lighten everything. Warm white siding opens up the facade and makes the house feel larger than it is. The sage green shutters are subtle but they frame every window. The matte black door creates contrast without shouting.

Notice the white carriage-style garage door here too. Same $1,500 upgrade as Direction 1, but the effect is different. Instead of contrast (navy vs white), it adds architectural detail to a clean palette. White exteriors have staying power. The sage + black accents keep it from reading "blank." This is the direction if you want the house to feel bigger, brighter, and more open.

Warm white siding with sage shutters and matte black front door

Which Direction Works Best?

Depends on what you're solving for:

- Maximum curb appeal fast: Direction 1 (navy). Highest contrast, most dramatic before/after. The red door is a conversation piece.

- Blending with the landscape: Direction 2 (charcoal + cedar). Feels like the house was always meant to be here. Best for wooded lots.

- Making a small house feel bigger: Direction 3 (white). Opens everything up. Best for tight lots or dark-facing facades.

All three prove the same point: on a split-level, the garage door matters as much as the siding color. Maybe more.

How We Made These

I opened the space in Renovate AI and told RAI what to change and what to keep exactly as-is. Each design came back in about 30 seconds.

The trick is telling RAI what you love first. "Keep the roof and driveway" anchors the design so RAI transforms the siding, door, and garage without touching the structure. Then you guide the changes. Navy siding, red door, carriage garage.

You can get more specific if you want. Down to exact paint color, hardware finish, shutter style. You can even upload materials from your Imagination Library. But you don't have to. Short directions work.

See What Your House Could Look Like

The hardest part of an exterior paint project is imagining the result before you commit. That's the problem every "paint my house AI" search is really asking. Try your own house. You might be surprised what one garage door swap does.

Open your space in Renovate AI. Tell RAI what to keep. See it in seconds.

FAQ

Can AI show me my actual house in a different paint color?

Yes. Upload a photo of your house and tell RAI what to change. It keeps your exact roof, windows, landscaping, and driveway while transforming the siding, door, and trim.

Does a new garage door really make that big of a difference?

On a split-level, the garage door is often half the facade. Swapping from flat panel to carriage-style costs $1,500-2,000 and changes the entire character of the house.

What exterior paint colors work best on split-levels?

High-contrast combinations. The flat garage face needs visual weight to avoid looking like a wall. Dark siding (navy, charcoal) with white trim creates depth. White siding works if you add accent colors on shutters and the door.

Should I paint my house dark in a cloudy climate?

Dark colors actually look their best under overcast skies. The diffused light acts like a softbox, bringing out richness that would wash out in direct sun.

Inspired by a real question on r/ExteriorDesign. Made with Renovate AI — open your space, tell RAI what you'd change, see it in seconds.