Warmth

From EAPWiki

Definition: an effect of brightness, cheerfulness, coziness, etc., achieved by the use of warm colors (from: http://dictionary.reference.com/browse/warmth)

Part of Speech: noun

Example:

red-living-room-couch-1.jpg

Example from: http://answers.yahoo.com/question/index?qid=20080305093421AAIQjwr

Use in Context:

The room has warmth since it was redecorated.

The warmth of this room is generated by the use of the warm colors.