Heat griddle or skillet over medium-high heat or electric griddle to 375°F; grease with non-stick cooking spray.
In medium bowl, stir together pancake mix, milk, eggs and vanilla extract until blended.
Evenly separate the batter into 6 smaller bowls and add food coloring to get your desired colors.
Pour about 1/4 cupfuls onto hot griddle and cook until edges bubbly and edges are slightly done. Turn; cook additional 1-2 minutes and pancakes are done.