From Photoshop 911 Forums: "I want to replace white backgound with another color but to save shadows on image. With "replace color" is inposible to replace white. So here's what the 911 Dream Team sez:
Optimizing color fields for the Web can be daunting -- but when you need a specific range of HEX colors, it can be downright frustrating. Question was:
... "How can I change this HEX color in a gradient?"