V2EX rgb

RGB

定义 Definition

RGB 指“红(Red)、绿(Green)、蓝(Blue)”三原色加色模型,是显示器、相机传感器、网页与数字图像中最常见的颜色表示方式。常见写法如 rgb(255, 0, 0) 或十六进制色值与其对应。

发音 Pronunciation

/r di bi/

例句 Examples

I changed the background to RGB(0, 0, 0).
我把背景改成了 RGB(0, 0, 0)。

The image looks different because the software converts RGB to another color space for printing.
这张图片看起来不一样,是因为软件为了印刷把 RGB 转换到了另一种色彩空间。

词源 Etymology

RGB 是由 Red、Green、Blue 三个英文颜色词的首字母组成的缩写。该模型基于“加色混合”(光的叠加):红光、绿光、蓝光以不同强度叠加可产生多种颜色,因此特别适用于发光设备(如显示屏)。

相关词 Related Words

文学与经典作品中的用例 Literary Works

  • Computer Graphics: Principles and Practice(计算机图形学经典教材中广泛使用 RGB 讨论显示与颜色表示)
  • Digital Image Processing(Gonzalez & Woods,数字图像处理领域经典教材中常用 RGB 作为基础色彩模型)
  • W3C 规范 CSS Color Module(网页标准文档中以 rgb() 形式定义颜色表示与计算规则)
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