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:
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.

