gray background applied on the abstract painting with the ligt smokes

This "Gray Background Applied On The Abstract Painting With The Ligt Smokes" Picture consists of 6 colours, which are Steel, Kettleman, Tin, Pig Iron, Uniform Grey, Silver. This colour combination makes this picture nicer.

#787878rgb (120, 120, 120)Steel
#606060rgb (96, 96, 96)Kettleman
#909090rgb (144, 144, 144)Tin
#484848rgb (72, 72, 72)Pig Iron
#a8a8a8rgb (168, 168, 168)Uniform Grey
#c0c0c0rgb (192, 192, 192)Silver