Hopefully this comment will come in handy. I have pretty much changed all of the colors, menu, images, etc. I have a pretty customized layout or i would just provide the css for the whole page (it would mess some up because my container is different and smaller). It would be a pain anyway because a lot of it is just for some external pages of mine. Anyway, for some of the images CE uses, you can apply a filter to make them appear a different color. This is a little complicated, but you can find some help online to help you generate something close. Images like the ones found in /templates/default/images/main-boxes/ or in templates/default/images/signup, here is my css "filter: saturate(99%) hue-rotate(-44deg) brightness(92%);" to give it a green/teal filter that matches my logo instead of the blue CE uses. Like i said, some generators found online can help you find something close to what you want and generate the css (although i did adjust these numbers slightly depending on the image). You could of course use some filter in photoshop to just make new images, but this seemed like an easy way to keep it upgrade friendly. In the future i would like it if CE used a custom font to provide the vector for every icon used and make it simpler for us to customize the color.