Using contrasting color

Using a contrasting color allows the button to stand out, drawing the user's eye. The choice of color is also important so be careful of what color you're using. We'll talk about the psychology of colors later in this chapter.

Here's a good example: 

This example is interesting since the intention here is clearly for the user to focus on the orange button, which the eye will go to naturally. You can catch the user's attention by making your button a contrasting color.