A color palette of monochromatic greys can be used to create an atmosphere of elegance, contemporary, formal, classic, or casual. Neutral monochromatic colors give you a blank canvas to build upon. You can utilize texture and color to accentuate what you want the eye to focus on.
For a business, this color palette would beautifully showcase your merchandise. White tone metal would reflect the tones in this palette which would extend a feeling of luxury and elegance. When thinking about using this monochromatic color scheme, take into account your employee uniforms and attire.
Using shades of grey allows for the black and white to stand out. Imagine what it would do for other colors you want to utilize in your branding style.