Recently I am trying out black and white effect and next level or advanced level of B&W will be duotone or tritone.

I have learned some technique how to do duotone and today i would like to share with our pixelraves’ reader how to archive it step by step in Photoshop CS3.

Here is the start photo with color.

Step 1: Go to Image -> Adjustments -> Channel Mixer

Step 2: In Channel Mixer, convert the photo to grayscale mode by select the preset to “Black & White with Orange Filter“, make sure the Output Channel is Gray. Adjust the source channels value for Red, Green and Blue to your like. and click OK.

Now you get a basic Black & White photo.

Step 3: Even you got Black and White photo, but you need to convert to Grayscale mode before you can select the Duotone mode. If you can see the Duotone mode enabled, the reason is you are not in Grayscale mode.

Step 4: After you have converted to Grayscale and Duotone, you will get Duotone Options dialog box. Usually the Ink 1 will be Black, Ink 2 you can whatever color you want. In this tutorial, I have selected light blue from PANTONE 306 C. Hold on, you are not done yet. You can further enhance your duotone effect by changing the value of the curve. Once you have satisfied the adjustment, click OK.

Here is the final Black & White photo with Duotone effect.