Here's the only way to pick your color.
Pick from the color book two or three different colors you think you might like and have the store make some up and spray it on a spray out card. If you don't have any spray equipment, have them load it into aerosol cans. Use a good primer for a ground coat.
Once dry, take them outside, look at them in direct sunlight, then the shade. Bend them to get some shape... pictures on the internet are not true to color match.
Don't get hung up (not that you are) with color names or brands. Buy the most expensive paint they offer because there is no such thing as good, cheap paint. The cheaper the paint, the more coats you'll need. simple fact.
I went through three or four shades of orange this method before I made my final decision.
One last opinion... it doesn't really matter what color you paint so long as you LOVE IT! Painting it any other color is going to leave you regretful.