Not all colors go well with all backgrounds. Here are some samples of colors.
This is Black Lettering This is Black Lettering
This is Navy Lettering This is Navy Lettering
This is Silver Lettering This is Silver Lettering
This is Blue Lettering This is Blue Lettering
This is Maroon Lettering This is Maroon Lettering
This is Purple Lettering This is Purple Lettering
This is Red Lettering This is Red Lettering
This is Fuchsia Lettering This is Fuchsia Lettering
This is Green Lettering This is Green Lettering
This is Teal Lettering This is Teal Lettering
This is Lime Lettering This is Lime Lettering
This is Aqua Lettering This is Aqua Lettering
This is Olive Lettering This is Olive Lettering
This is Gray Lettering This is Gray Lettering
This is Yellow Lettering This is Yellow Lettering
This is White Lettering This is White Lettering