Note this about inverting the images of a specific picture or image file, this is not about using the Accessibility shortcut to invert the Mac screen completely which is a general feature of Mac OS. You can check out more Preview app tips for Mac here. Preview is an excellent image application with a ton of capabilities, and despite being bundled with every version of Mac OS it remains an often overlooked app. And yes this works if you have also used Preview to convert a picture to black and white, to increase color saturation, to resize the image, or perform any of the other color and image adjustment features of the app. Of course you can make other color adjustments as desired, but our purposes here are to invert an images color and not do any other editing or adjustments. If you’re having problems with this because the sliders hide behind one another, it can be helpful to drag the white point or black point to about the 1/4 way mark and then drag the other to the opposite side, making it easier to see and drag the little sliders. Save the image when satisfied with the color inversion.Drag the ‘Black Point’ slider all the way to the right, reversing its position.So my default PDF reader is Preview with regular color, but I open PDF books with customized Adobe Reader. Page Background: black and Document Text: a ordinary dark grey. In Preferences > Accessibility > Document Colors Options I set 'Replace Document Colors' and 'Custom Color'. Drag the ‘White Point’ slider all the way to the left, reversing its position I use Adobe PDF Reader to read PDF books.Pull down the “Tools” menu and choose “Adjust Color”.Open the picture or image file you want to invert in the Preview app on Mac.Here are the exact steps to invert an images color in Preview for Mac: How to Invert Image Colors on Mac with Preview Therefore you drag the white point all the way to the left, and the black point all the way to the right, and the color is effectively inverted for that image. Inverting the colors of an image with Preview on the Mac is done by basically reversing the white point and black point, dragging each to their opposite sides of the color adjustment slider.
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