
Here's an example in "dark mode" (Hex color = #002B37, opacity = 75%). It's advisable to minimize the size (height) of the reading bar and tuck it somewhere out of the way. One word of caution: Inverting the reading bar makes the whole document your desired color and the reading bar an awful glaring white. Fast to change the color from a "dark mode" to a "light mode" and back.Easy to toggle on/off using cmd + shift + b.If you never use the reading bar for its intended purpose, this workaround won't interfere with your usual use of the app. Here's an example that gives Skim a solarized feel (Hex color = #B68A00, opacity = 50%). Apple Mail does support media (prefers-color-scheme: dark). You may want to set up Dark Mode specific css to make the email more user friendly in Dark Mode. At 100% the document is completely hidden at 30% the trick has little effect. White and black are inverted if on a body background color of black/white. Select the desired color and opacity (50-80% depending on the color)Īll this does is add a layer of color over the top of the pdf.
White backgrounds for mac pdf#
If you want text and are okay with using something other than Preview, then the free version of PDF Expert described here is a good solution.Ī simple workaround to change the background color in Skim is to (ab)use the reading bar preferences: The above do not preserve text, but produce images. Converting the resulting images into a PDF is done with a very simple Automator action, shown below: The first ffmpeg command inverts the colors of the screen recording and the second ffmpeg command places images from the screen recording into a sub folder at the rate of 2 per second. jpg's in the sub folder, right click and choose the Automator action shown below to make a new PDF
