The phrase "brass accents" refers to decorative or subtle additions made of brass, which is a type of metal. These accents can be small details or features that are used to enhance the appearance or style of an object or space. Full definition
This stunning vintage modern console table features a heavy chrome frame with brass accents on each corner and on all four feet. (1stdibs.com)
I have a few brass accents in my house and picked up a sweet vintage brass (or what looks like brass, anyway) magazine rack at a flea market the other day. (theletteredcottage.net)
We have the same kind of brass accents on our fireplace, and it drives me crazy. (hawthorneandmain.com)