The black backing helps to reduce extraneous light in your studio
The Gold color umbrella softens your shadows and warms up the subject. Gold is great for adding that Tanned Look to models.
In Practice
Umbrellas are one of the most important light modifiers available. Direct lighting on a subject can produce harsh, unflattering shadows.This is because the light rays are focused, creating deep shadows.Umbrellas not only bounce the light, but diffuse the light, scattering the light rays and softening harsh shadows and reducing unwanted contrast. It is also important with portraits as sharply defined lines can be unflattering.An umbrella produces softer, more even, less contrasty lighting and is an essential item for every studio photographer.
2 Sisters of Texas 
