What goes with red?

Red is a primary colour and can be used in combination with most other colours.

If you are decorating with it, try a neutral.

If you are wearing it, neutrals and other colours you like work well.

If you are painting with it, your subject matter will dictate your choice.

The short answers:

In decorating I use greys & taupes

In clothing I wear black or navy

In painting I've used every colour mother nature has.