On the Photoshop work area, the “artboard” – the area around your image – is by default 50% gray in all views except Full Screen mode. The artboard is the part of the Photoshop image window that appears when you make the viewing window larger than the image itself or that surrounds your image if you use any screen mode other than Standard.
If you don’t like 50% grey as your background colour, and let’s be honest it can be a little dreary, you can alter the color if you want to. Control-click (Mac) or Right-click (PC) on any area of the artboard. A menu drops down that lets you fill the artboard with white, black, gray,or a custom color.
