determining led colour

[sincere]

Hi everyone

                    I have a board containing multiple LED's.How can i read the colour of a particular LED from the board.

Thanks in advance

[muks]

Using a camera?

[sincere]

the picture will be taken by a camera.after that we have to detemine what are the colour of the LED's on thee board.

[muks]

Use histogram. Different colors will have different gray scale value

[muks]

Post a few pictures. It will help. You can also use color pattern matching if you are using a color camera. Give some details