Most images concentrate colors in particular areas of the spectrum. 大部分的圖片的色彩都只集中於色譜的特定色域。
The availability of the whole spectrum of colours opened up new applications, from full-colour video screens to display backlighting. 全色譜的獲得開創了從全彩錄像屏幕到逆光顯示等新的應用領域。