There are a lot of alloys out there, but generaly speaking, brass is light gold and lusterous, red brass is lighter in color, bronze is a darker gold.
To give you a better idea, brass is the softest, red brass is a good bit harder than 360brass, and bronze is the hardest. 360(also known as yellow brass), and red brass are easily soldered. I have given up on trying to solder bronze and have went to a solderless fit.
Hope this helps,
William