Black and white gray color hex

Quick answer：

The term 'black and white gray color hex' refers to the hexadecimal color codes used to represent shades of black, white, and gray in web design and graphic design. Hexadecimal color codes are a six-digit combination of numbers and letters, starting with a '#' symbol. For black, the code is #000000; for white, it is #FFFFFF; and for gray, the code can range from #808080 (light gray) to #000000 (dark gray).