"I believe Black & Excellence are synonyms."

black •/blak/•

Black is the darkest color, the result of the absence or complete absorption of visible light. It is an achromatic color, a color without hue, like white and gray. It is often used symbolically or figuratively to represent darkness.

excellence •/ˈɛks(ə)l(ə)ns/•

the quality of being outstanding or extremely good.