Some colors, like red, yellow and orange, seem to project a feeling of warmth. Warm colors are advancing. 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.