Extra color app is a fun and interactive game that allows users to explore their creativity and color perception. The game presents the user with four different colors, each with subtle differences in hue. The user is then prompted to choose which of the four colors is slightly different from the rest. Once the user selects the correct color, they are presented with a new set of colors with even more subtle variations, making the game more and more challenging.

The user can play with the app by blowing on the screen to reveal a new set of colors, which brings an element of surprise and excitement to the game. This feature also allows the user to interact with the game in a unique way and adds a fun and playful aspect to the game experience.

The application not only entertains, but also serves as a tool to improve color perception and the user's ability to distinguish between subtle color variations. This can be especially useful for artists, designers, and anyone interested in color theory.

Extra color is a fun and addictive game that provides a unique and entertaining way to enhance color perception and explore creativity.