... RGB=115,115,115 . ... 332x96, 2k. First, you need a 4 layer document in Photoshop. ... Layer one has the flame image in it, use this one , it's the best picture of fire I own, and I use it a *lot*. ... Layer 3 has the dark grey in it, RGB code 115,115,115. Layer 4 has the grey background from my homepage in it. ... We'll also need a new channel for our mask. ... We want this image to melt into that grey layer, that color "#737373" is the average of the background colors. ...