color splash, partial color effect in Photoshop tutorial

Colin Smith

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This Photoshop tutorial shows you how to make the cool looking color splash effect, also called partial color, spot color color and black and white. Whatever you want to call it, it’s a fun effect to use from time to time and even if you dont need the effect, you will learn a lot about adjustment layers by watching this very quick tutorial.

Start with 2 images that I grabbed from Adobe stock.

Dark black and white New York alley at night with fog and street lamps

Blonde woman in a red wide-brimmed hat and red coat on a black background

I cut out the woman and flipped her, here is a tutorial on how to combine images and cut out a person if you need that step. 

Woman in the red hat composited into the black and white night alley

Step 1

First thing we want to do is make the foreground photo match background a bit more. Select the top layer.

Layers panel with the woman's layer and mask outlined above the Background

Grab an adjustment layer. Select Black And White.

Adjustment layer menu with Black & White highlighted by a red arrow

Composite with numbered arrows to the woman's layer and the adjustment menu

This is going to create a black and white adjustment layer.

Whole composite turned black and white with the Black & White layer circled

step 2

Now you open properties panel by double-clicking on the Black & White Layer if it isn’t visible

If you make any  adjustments, it will affect all layers.

Black & White properties sliders affecting both the woman and the alley

We want to affect the top layer only.

In the properties panel, click the little square icon. Now the adjustment will only affect the layer directly beneath (our woman layer).

Clip to layer button circled at the bottom of the Black & White properties

Tip: You can do the same thing (clipping group) in the layers panel. Hold down the Alt/Option key and notice when you put your mouse pointer in the Layers Panel between the two, you see that little arrow.

Clipping arrow icon circled on the Black & White layer

Click.

Alt or Option clicking between layers to create a clipping mask, circled

Step 4

Adjust the different color sliders until the luminosity (blank and white tones) matches the best you can between the layers.

Woman in black and white matched to the gray night alley

Step 5 matching the color tones

By now the luminosity matches, but not the color, the background has a slight blue tint, lets grab it!

in black and white Properties, Select Tint.

Under Tint click on the tiny swatch

Tint checked in Black & White with the Color Picker open over a sepia woman

You now want to sample the color to use on the foreground image.

Sampling a cool gray-blue from the alley with the eyedropper, labeled Click

Place the eyedropper (cursor) on an area close to 50% on the background to sample the color.

Step 6

Now we need to match the contrast

Create a new Curves adjustment layer

Adjustment layer menu with Curves highlighted by a red arrow

Click on the clipping  icon to only affect the top layer Close-up of the clip to layer icon in the Properties panel

Layers panel with Curves 1 circled above the Black & White layer

You pull the line and adjust the curves, now affecting only the foreground image.

Here I have created a slight S curve. Darkening the shadows and lightening the highlights to increase contrast.

S curve adding contrast to the black and white woman in the alley

This gives us a moody and mysterious feel

Moody, high contrast black and white woman in the night alley

Step 7

Ok, lets apply the color splash effect and just make her hat red. (Very Carmen San Diego)

Click on the mask on our black and white layer.

Make sure black is our foreground color.

Black & White 1 mask selected in the Layers panel, circled

Grab a brush. (B key) Close-up of the Brush tool icon

Choose a hard edged brush and paint over the hat and you should see the color appear as you paint on the mask.

 

Painting black on the mask to bring back the red hat, labeled Brush, Paint and Layer Selected

And here is the result!

Final color splash with a red hat on the black and white woman in the night alley

I hope you enjoyed this tutorial and added a few useful skills to your arsenal. Check out more tuts here at the cafe. Signup for our mailing list if you haven’t and never miss a tutorial. Also add a comment below, I’d love the hear your thoughts.

See you in a couple of days with a new tutorial!

Colin


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