Invert the colors on your screen
Black Light is an amazing, free Mac program, being part of the category Customize your Mac with subcategory Themes and Effects.
More about Black Light
Black Light is available for users with the operating system Mac OS X and previous versions, and it is available in English. Its current version is 1.6 and the latest update happened on 5/11/2007.
Black Light is a not that heavy program that doesn’t need as much storage space than the average program in the section Customize your Mac. It’s a program very heavily used in Germany, United States, and Greece.
Since we added this program to our catalog in 2007, it has obtained 5,681 downloads, and last week it had 3 downloads.
Black Light allow you to invert the colors on your screen. This is done by inverting the gamma curve of the screen. When you open Black Light, the screen is automaticly inverted. Colors are restored when you quit. You can click on Black Light’s icon in the Dock to toggle between the two states.
From the preferences you can also activate some special effects. It is possible to, beside inverting the screen, dim the screen or hide stripes of the Aqua interface (by removing all light grays). Black Light 1.6 also feature a color filter mode so you can make the screen black and red, or green, if you want.