Removing color casts

…When working with HDR images, it's often easy to get a bit of a color cast.…Now, of course, you could tweak the white balance when you open the image.…But, a lot of times, after the merge, there's going to be some hue issues.…Particularly, blues and purples that sometimes look a bit dominant.…Always investigate your whites. Let's look at an image.…In this particular case, I have a very stylized, over…the top HDR and I did leave some motion streaking…in for the energy.…I generally like this, but you could see that…some of the areas that should be a bit whiter…have taken on sort of a turquoise hue, largely due…to some of the things happening here in the sky.…

Well remember, you always have the ability…after the fact to use the finishing touches.…So, I could play with the aqua slider there.…And notice how we're toning down the…sky a little bit. Or the blue slider.…Now I don't want to go so far that I strip out all of that color.…But looking at that, it does seem clear to me that…some of the blues in the building are way too strong.…