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Before we start, I just want
to thank everyone for their patience over that last few weeks. I
started a new job and had to put off my Planet Photoshop duties
for a few weeks while I got settled in. I am back now with new
ideas for you, so let's begin.
I have been using the Hue and Saturation
Adjustment tools that Photoshop provides for a long time.
Usually I am just making overall image adjustments, but from
time-to-time there is a specific area of an image that needs
adjustment when the rest of the image should stay the same.
Here's how to do that.
Above I have a photo. I would like to change the
hue of the pill in the foreground from green to blue. But I
don't want to mess with the rest of the image too much. So how
do I do that? We first thing to do is to open the Hue and
Saturation adjustment box. Go Image->Adjust->Hue and Saturation.
Above is the dialog box that appears when you
have done the previous steps. I have already made some
adjustments but let me explain what I did.
1) The first thing I did was to change the color
edit drop down menu to Greens. This will allow me to make
adjustments to the green pixels in the image.
2) Once I have selected green as my editing choice, I can use
the ink dropper tool that Photoshop automatically provides me to
select the green in the pill. I had to try a few times to get it
in the right place.
3) Once I had selected the correct green hue, I just made some
Hue adjustments by sliding the Hue slider to the right. I also
made some slight adjustments with the other sliders. The actual
adjustments are up to you, of course.
Above you can see my results. Using the Hue and
Saturation tools to adjust images is a very powerful way of
making subtle changes to an overall image. It can also save you
a lot of time if you have a single entity like this one that
needs changing. Play around with this idea and see what you can
do with it. It's a lot of fun.
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