Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
I know macOS has a feature to invert the screen using Control+Option+Command+8.
I was wondering if there is any way, like a macOS feature, an application, or even some API to apply other effects to the whole screen?
In High Sierra you can use keyboard shortcut to Invert Colors
More screen options are in System preference > Accessibility > Display