Cool whites usually have a slight blue or green undertone. It’s a good option to go with if you’re already using a bunch of other cool colors in a room.
It’s great in rooms that have a lot of natural sunlight coming in. The warm sunlight balances out the cool colors. If you have a lot of bold art pieces in a room, cool whites can help bring more attention to them.
Warm white contains an undertone of yellow or red. It can bring a welcoming warmth into any room that you use it in. It goes well in rooms that already have a bunch of warm decor.
It’s also a good choice for rooms that have a lot of natural furnishings such as wood.
If you’re trying to go for classic white, pure white is going to be the closest you’ll get. It has little to no undertones.
Since it’s so close to the classic white color it will be easy for you to match accent colors and decor to it.