And since most blinds fit inside the trim, they generally should match or be slightly darker than the trim. If you currently have white blinds or window treatments, wood blinds will of course look darker, but won't necessarily darken the room unless all the walls are dark, too.

Should blinds be darker or lighter than walls?

The Choice Between Lighter or Darker Blinds

The truth is that blinds can be either lighter or darker than your walls. However, the blinds and walls should be at least one shade lighter or darker than each other to ensure that everything blends well together, and they should also be a similar tone.

Should blinds match floor or walls?

The short answer is no. Your window blinds don't need to match your wall color. There are considerations you'll want to take into account, however. The first is your interior style, and second, the type of blinds you want for your interior.