How to add blue in a room with grey floors. Choosing a rug that has blue, the key is to have some grey in the rug. This will guarantee a good coordination with your floors. This rug will work with both warm and cool grey floors. designcoach wayfairrugs wayfairhome greyfloors bluerugs colourpalette moodboard benjaminmoore invitinginteriors bedroomrugs familyroom firstapartment livingroom condo kidsrooms LTKhome LTKstyletip LTKkids