They tend to make you appear closer and increase your apparent body size. Colors like blue, green and purple, seem to project a cool feeling. They tend to recede and decrease your apparent body size. Value is the lightness or darkness of a color. Light attracts the eye, therefore, lighter colored garments will cause the wearer to appear larger than medium to dark shades of a color.
Intensity is the range of color from bright to dull.
When wearing garments of intense colors the wearer will seem to appear larger. The warmth or coolness of a color, its value and intensity all work together to produce an infinite number of colors. With these facts in mind, you have a variety of choices to make yourself appear pounds thinner. Color can be used to emphasize some features and draw attention away from others. However, if you want to use warm colors in your wardrobe, select shades of warm hues instead of intense values.