I don't love the light yellow with the dark window frames and doors. I'd consider painting them a warm brown, if possible. I'd definitely lighten up the garage doors and front door. Some red chairs on the porch would look nice, too.

Siding can be painted if you don’t like the color. My daughter painted her home 10 years ago and still looks like new. Maybe start by painting the trim a much lighter color! Paint the from door a different color then the garages. A blue or a green! Place two large ceramic pots on either side of the front door. A complimentary color to the new door color or just plain huge terra cotta pots. A table and chairs or just two larger chairs instead of the brown planter on the porch. A larger mat at the door would help too. Add some flowering bushes to the passage way if sunny enough. Looks like a lovely house to make a home. Good luck.

A lovely wooded setting.

I’d paint the house a much lighter color, maybe a warm beige. Paint the garage doors the same color as the house. The current black trim is much too harsh as stated above; take your house color and have it remixed in a darker shade for the trim.

Other notes: the porch supports look like toothpicks. Thick cedar posts would be more attractive and would echo the color of the roof.

And that tree on the far right looks like a catastrophe in the making.

If you want the biggest bang for buck, I’d suggest:

Paint or stain the front door a warm contrast color.

Add tall matching planters with greenery.

Upgrade the entry light fixture(s).

Add a few shrubs/flowers near the walkway and garage side.

Some visual

You have newer black windows and a newer design door. I wouldn't change the window trim color unless it coordinates with a new siding color. The roof is another color I'd like to change or upgrade to metal.