David Jonathan Ross for Font Bureau: "Inspiration for the final logo came from a dollar bill I found in my wallet. Some of the lettering on the bill had not one, but two layers of shading behind them."

Blend colors with different modes like multiply, overlay, dodge.

Dave Shea: "Choosing effective colour schemes will always be more art than science, but there are things you can do that will make coming up with that oh-so-smooth palette just a little a bit easier. A simple trick that can lead to incredibly gratifying results lies in finding a strong photograph and sampling out particularly harmonious colours."

Thorough (as usual) yet inconclusive research from Dave Shea regarding color profiles in Photoshop.

Leslie Tane on Photoshop color profiles and in-browser hexadecimal mismatch.