You can also "play" with the WB in these situations - the AUTO setting on the Canon line is not very good for creative exposure. Use Cloudy, this will make your colors more saturated and warm. You can also try other settings such as fluorescent, the following are to posted to illustrate the differences between the two white balance modes.
Daylight color balance
Fluorescent color balance
Also shoot your images in RAW, this will give you better post processing flexibility.