cloudy sky image with the white and grey clouds colors looks so thick as a sign that rain will come

This "Cloudy Sky Image With The White And Grey Clouds Colors Looks So Thick As A Sign That Rain Will Come" Picture consists of 6 colours, which are Tin, Steel, Uniform Grey, Kettleman, Silver, Pig Iron. This colour combination makes this picture nicer.

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