This document discusses lighting and color in interior design. It covers several types of lighting including natural lighting, ambient lighting, task lighting, accent lighting, and aesthetic lighting. For each type of lighting it provides examples and how it can be used. It also discusses using color in interior design and how color can manipulate mood. Some key facts covered are that lighting and color can alter physical and psychological responses, and that light and dark colors can make rooms feel brighter/larger or more intimate respectively. The document concludes with introducing the color wheel system for organizing hues.