One of the new operating system OS X Yosemite became the so-called "dark" mode interface (Dark Mode). When activated translucent menus are displayed in black, and the text - in the light. The setting is in the General section -> Use dark menu bar and Dock.
Australian programmer Sam Turner developed a utility that lets you configure the activation Dark Mode in fully automatic mode. The utility is called Lights Out and is an extension to the operating system settings panel.
After installing the program in OS Yosemite, an additional option to control Dark Mode. In particular, the menu Lights Out, you can specify start and stop mode, for example, to activate in the evening. After this will click Start Service, the change to take effect.
It should be noted that Dark Mode is still in the stage of completion, so does not look like showed Apple. In addition, not all applications are adapted to work with this mode. However, if you like this design option OS X and you want to use it regularno, it makes sense to try the utility.
Download Lights Out for OS X Yosemite can free online Australian.