NYPC - Photoshop's Hue/Saturation Dialog Box

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The Hue slider moves the bottom color strip relative to the top strip. If the Edit mode is set to Master it affects all hues. If the Edit mode is set to any color, the change only affects the hues within the defined range.

The Saturation slider increases or decreases the saturation of any color(s) selected.

Saturation should not change the brightness of the pixel.

Many images look flat and lifeless without a small boost to saturation.

While -100 will result in a grayscale image.

Increasing saturation emphasizes chromatic noise.

The lightness slider will take pixels from totally black to white.

The two color strips show all possible hues.
Each strip is really a circle that has cut and been stretched out.
If you drag a slider off one side
it will come back the on the opposite side.

Hue Sliders

Look directly beneath the hue coming in
to determine the hue going out.

Initially the color strips are aligned.
This means the hue coming into the layer
is the same as the hue going out of the layer.
No hues have been changed yet.

Selecting Hues to Modify

The Edit List
A drop down list of colors.

Master - All hues will shift together.

The eyedropper buttons are grayed out because they don't apply.

Selecting any color will place sliders around that color.

The outer sliders show where 0% change will occur. It fades in to 100% between the center two sliders.

Red sliders set up by the drop down list.

The eyedropper buttons become live.

The main eyedropper tool centers the sliders around the color you click on.

The plus eyedropper extends the range to include the color you click on.

The minus eyedropper narrows the range to exclude the color you click on.

In order to find out what colors in the image are currently selected,
try moving the lightness or saturation slider to all the way to the left or right.

Now that you have the range of colors you want to change selected, move the hue slider

You can affect multiple ranges of color with one hue saturation layer.

The Colorize Checkbox - not very useful.

It turns the image grayscale and then applies a specific hue to it.

You will have much more control by doing your own conversion to grayscale and then adding a fill color layer.This way you can control the blending mode and opacity.

You can go back and change the settings in your Hue/Saturation layers by setting the Edit mode to the same mode you initially used.

If you forget which mode(s) you used, run down this list and look at the two color strips. If they are aligned you didn't change that mode. If you see sliders and a hue shit you know you worked on that mode.

Photoshop SIG Photoshop's Hue/Saturation Dialog Box

Selecting Hues to Modify

Photoshop SIG
Photoshop's Hue/Saturation Dialog Box