But if you aren't a fan of its natural gray color, can you paint ... you can paint your gravel using spray paint or a brush. Look for exterior acrylic or masonry paint (like this one from The ...
Grab some concrete paint ... or masonry paint. Thinking about quantities? One gallon has you covered for up to 400 square feet, so plan accordingly. And cost-wise? Take Valspar Light Gray Satin ...