

First we will convert the Image to CMYK and then adjust the colors in the Magenta channel using Curves.
It is easy to look at an Image and see whether it is lacking in one color or whether it needs more. The Image used in this exercise is too cold and needs a little Magenta added to warm it up.
It's interesting how we associate reds with warm and blues with cold.
If you already haven't done so then visit the Color page to learn more.