The first reaction is to touch the surface. Texture can be produced by lines that form images. However, this element is usually visual and no reaction would be received through the sense of touch. Actual texture can be produce by embossing. When color is used on a layout, it causes that part of the layout to attract attention.
Color can have a strong emotional and psychological impact on the reader.
It can be used to add interest and to reduce boredom. Yellow, orange, and red are considered warm colors and often denotes aggression, excitement, and danger. Blue, green, and violet are considered to be cool colors and are associated with nature and passiveness.