Note how multiple colors make up the graduated color bar and that their index values vary in a relatively inconsistent manner.

注意多种颜色如何构成渐变的颜色条及其索引值以相对不一致的方式变化。

youdao

The pixels between index 0 and 2 would start with a green color (0, 255, 0) that changes slowly to red.

索引0和2之间的像素初始颜色为绿色(0,255,0)，渐变为红色。

youdao

First, you need an index file that can be called upon to display the color (or template) choices. The following code does just that.

首先，需要一个索引文件，可调用此文件来显示颜色(或模板)选项。

youdao

Its report grades cities using, in part, the EPA's color-coded Air Quality Index, as well as its own weighting system that ranks the severity of pollution on a daily basis.

FORBES: Life