This can potentially lead to irreversible damage to your image file. PRO TIP: If you are not familiar with Photoshop, it is recommended that you do not attempt to grayscale a layer. Experiment with each method to see which one gives you the results that you want. Then, check the box for Colorize and use the sliders to adjust the hue, saturation, and lightness of the image.Īll of these methods will allow you to grayscale a layer in Photoshop. To do this, go to Layer > New Adjustment Layer > Hue/Saturation. Using the Hue/Saturation Adjustment Layerįinally, you can use a hue/saturation adjustment layer. Then, check the box for Monochrome and use the sliders to adjust the tones in the image.ĥ. To do this, go to Layer > Add New Adjustment Layer > Channel Mixer. If you want more control over how the image is converted to grayscale, you can use a channel mixer adjustment layer. This will create a Black and White adjustment layer that you can use to modify the tones in the image.Ĥ. Then, select the “ Black & White” option from the menu that will appear. To do this, go to the Layers window and click on the “ Add New Adjustment Layer” button at the bottom part of the window. You can also use a Black & White adjustment layer. This will convert the image into Grayscale mode, which will effectively grayscale the image.ģ. By Applying the Grayscale Mode to the ImageĪnother way to grayscale a layer is to go to Image > Mode > Grayscale. This will remove all of the colors from the image layer selected and leave it in grayscale.Ģ. One way is to go to Image > Adjustments > Desaturate. After the calculation, convert the image to Grayscale mode.There are a few different ways that you can grayscale a layer in Photoshop. The opacity is the percent of the first channel used in the blend. E.g., to create a grayscale from an RGB image using the red and green channels, in the Calculations dialog box, select the blend mode as Normal, first channel red, and second channel green. Blend color from channels in the image (Image > Calculations). Then convert the image to Grayscale mode. Delete the a* and b* (color) channels, leaving the L* (luminance), which is grayscale. Convert the image to LAB mode (L* = luminance, a* = red-green, and b* = blue-yellow). Open RGB or CMYK image, and convert to Grayscale (Image > Mode > Grayscale). Several methods can be used to convert a color image to grayscale in Photoshop: If your grayscale images print too dark, you can lighten the profile using the Gradations tool. This can only be done with CMYK profiles, not RGB. Its mode must be in the starting point of the editing direction (LAB mode).ĥ) Select the Global Correction tool, and in the dialog box, reduce Saturation all the way (-100).Ħ) Save the profile under a different name.Īnother way to create a grayscale profile in ProfileEditor is to save a the profile as Grayscale (File > Save As > Gray ICC Profile). Resample to 72 dpi, convert to LAB mode, and save with a different name.Ģ) Launch ProfileEditor and open your printer profile.ģ) Select the profile direction, LAB-to-CMYK.Ĥ) Open your test photo from Step 1. This works for both RGB and CMYK printer profiles:ġ) Before starting, open a test photo in Photoshop for use as a thumbnail. In addition, and to print color images as grayscale, you can edit the color out of the profile using ProfileEditor. High GCR can be created with the following separation settings: GCR reduces CMY colors where they add up to gray, thus reducing the possibility of a color cast. To reduce the color cast in a CMYK printer profile, select separation settings that provide high GCR levels. This technique is useful for printing images that are already in grayscale mode. When printing the above to an Epson or other printer that does not have perfectly neutral K ink, a slight color cast may still be present. Use these if you want to (1) print B&W images that are already in grayscale mode, or (2) to print color images as B&W without prior conversion to grayscale. The main concern is reducing color casts in images, as grays are highly sensitive to casts. To print black-and-white (B&W) images on a color printer, you can create an RGB or CMYK ICC profile. ProfileMaker Profile for Printing in Grayscale
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