红色，绿色和蓝色分别使用8位，其整数值介于0到255之间。 这使256 * 256 * 256 = 16777216种可能的颜色成为可能。 LED监视器中的每个像素通过红色，绿色和蓝色LED（发光二极管）的组合以这种方式显示颜色。 当红色像素设置为0时，LED熄灭。 当红色像素设置为255时，LED完全打开。 它们之间的任何值会将LED设置为部分发光。 RGB颜色代码表，RGB颜色选择器，RGB颜色 …

Hover with cursor on color to get the hex and decimal color codes below: RGB color space or RGB color system, constructs all the colors from the combination of the R ed, G reen and B lue colors. The red, green and blue use 8 bits each, which have integer values from 0 to 255. This makes 256*256*256=16777216 possible colors. RGB ≡ Red, Green, Blue.

指定灰色的办法很简单，用一个数值表示灰度即可，其取值范围为0到255。 例如 0 表示黑色，255 表示白色，128 表示灰色。 除了用灰度表示之外，灰色还可以用前面提到的几种形式表示：

An RGB Color Picker is a tool used to select specific shades of colors formed by mixing the three primary colors - red, green, and blue (RGB). It helps users mix different proportions of the primary colors to create their desired color and get the RGB color code for the color which can then be used in other applications.

字客网RGB颜色查询在线工具是一款功能强大的RGB颜色查询工具，包括对应CMYK、RGB、HSL、HSV、XYZ等色彩空间的色值，颜色梯度、色彩搭配、色盲模拟。

To display black, set all color parameters to 0, like this: rgb (0, 0, 0). To display white, set all color parameters to 255, like this: rgb (255, 255, 255). RGB color values are supported in all browsers. RGBA color values are an extension of RGB color values with an Alpha channel - which specifies the opacity for a color.

每个颜色的最低值为 0(十六进制为 00)，最高值为 255(十六进制为ff)。 十六进制值的写法为 # 号后跟三个或六个十六进制字符。 三位数表示法为：#RGB，转换为6位数表示为：#RRGGBB。

The RGB color 255, 255, 255 is a light color, and the websafe version is hex FFFFFF, and the color name is white. A complement of this color would be 255, 255, 255 , and the grayscale version is 255, 255, 255 .

The #255 RGB color code is composed of a hexadecimal 25 red (37/256), a 5 green (5/256) and a blue component (0/256). The decimal RGB color code is rgb(37,5,0).

The RGB color 255, 255, 25 is a light color, and the websafe version is hex FFFF00. The color can be described as light washed yellow. A complement of this color would be 25, 25, 255, and the grayscale version is 230, 230, 230. A 20% lighter version of the original color is 255, 255, 103, and 194, 199, 0 is the 20% darker color.