If you wanted it across a single panel, you would have to use an image of a gradient as a child.
If you wanted to create a more static effect, you could use several panels of various colors and then place an object on top of them. Here is a handy site that can help establish the hex codes: http://www.herethere.net/~samson/php/...
If you wanted to create a more static effect, you could use several panels of various colors and then place an object on top of them. Here is a handy site that can help establish the hex codes: http://www.herethere.net/~samson/php/...