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A light-on-dark color scheme is a color scheme that uses light-colored text on a dark background and is often discussed in terms of computer user interface design. Originally, computer user interface images were formed on CRTs. The phosphor was normally a very dark color, and lit up brightly when the electron beam hit it, appearing to be green or amber on black, depending on phosphors applied on a monochrome screen. RGB screens continued along a similar vein, using all the beams set to "on" to form white. With the advent of teletext, research was done into which primary and secondary light colors and combinations worked best for this new medium. Cyan or yellow on black was typically found to be optimal from a palette of black, red, green, yellow, blue, magenta, cyan and white. The opposite color scheme, dark-on-light color scheme, was originally introduced in WYSIWYG word processors, to simulate ink on paper. Whether it is easier or healthier to read text on a dark background is disputed by vision and perception researchers; there is similar dispute between users. ==Energy usage== Light on dark color schemes require less energy to display on some display technologies, such as OLED, CRT and LCD displays.〔(Blackle vs. Google Monitor Power Consumption Tested )〕 This can impact battery life and overall energy conservation. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Light-on-dark color scheme」の詳細全文を読む スポンサード リンク
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