Exercise: Colours into tones 2.

Outline: Make practical use of channel adjustment to achieve a specific effect.

For this exercise I have opted to use the portrait example, of using the channel adjustment to lighten the complexion without significantly changing the tones of the rest of the image.

This exercise consists of altering the red channel to lighten the tones in the subjects skin tone, much the same as the effect altering the red paint tray in the previous exercise.

This is the image in colour.

Then we need to change the image into black and white (greyscale) to create the default black and white image.

And then to lighten the complexion slightly we just need to simply increase the red channel slider.

Now the skin tone is lighter but none of the other tones in the image have been altered, making the channel adjustment useful for a specific effect.

Conclusion:
This exercise has shown how a simple change to one slider can change one aspect of the image as opposed to altering the key or contrast which effects the entire image.