1.   Basically, scientists say, a blue-gray color indicates an older rock that was washed to the site from a higher elevation by an ancient flood.

2.   Color can indicate vitamin and mineral content, though.

3.   Colors indicate which evildoer can be thwarted with a certain magic.

4.   Deepest color indicates best quality.

5.   Flavor is indicated by color, so go for darkness, making sure to get a slight char on the fruit.

6.   The brown color indicates it has already been stained, so I am not convinced you have to do anything.

7.   The dot colors indicate the value of selected data, which, in this case, is the year-to-date return.

8.   The purple color indicates that these beans are loaded with anthocyanins.

9.   Different colors could indicate different diseases.