WEB DESK: You might not paid attention to the color of your tongue before you from now, you should. 

Many experts can determine health condition by examining you tongue's texture and size as there is entire process of disease diagnosis by human tongue.

You can analyze your health by pay attention to the color of it. The best time for it early morning without brushing off you teeth in the sunlight.

Here are these images that are helpful in this regard.

If you observed any such coloring onto your tongue, don't go for self medication but instead visit your doctor. Most of time tongue got injured by warm meal or drink which leaves a stain but don't worry about it as it is temporary. However, in any case a visit to physician is always suggested.