Daylight and Dusk

I think your camera settings, that is, your White Balance is making those colors. If you are going to use the Exposure settings, then you should know what White Balance/Kelvin Value to set your camera at as if you were in real life. Here, I found a link to help you out with this:

http://lowel.tiffen.com/edu/color\_temperature\_and\_rendering\_demystified.html

I find many attempts at this to fail if the basics of lighting and photography are not understood. Hope you have some success with this.