How to pick the right wall color for your trim – and the key expert trick to know

Someone putting small paint samples on a wall

Picking out a new wall color is one of the most exciting parts of a room refresh, but it is easy to get wrong when matching it against the trim. 

We all know the standard tricks for choosing paint colors, from picking up multiple sample cans at the store to help us make the right decision, to fixing large paint swatches to the walls to check how the color changes with the light.