I have a pretty simple color palette but I just bought a neon yellow belt that I'm excited to wear. (hellolittlehome.com)
Although the room has a fairly simple color scheme (which I personally find very soothing), it's made interesting through the use of all the different textures. (theinspiredroom.net)
It's so easy to pair with simple colors like grey, black and brown. (thoughtsinstyle.com)