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color-range

v1.0.2

Published

Pick colors in any range

Downloads

6

Readme

colorRange

在任意色值直接取任意位置的色值。

目前只支持线性渐变色值。

用法:

npm install color-range -S

或者

yarn add color-range -S

然后

import colorRange from 'color-range'

colorRange 接收多个参数,最少需要四个

Image text 如图所示:

一个线段由三个颜色变化

第一个参数:百分比

一般会在0-100之间,支持小数。

如果要获得中间点的色值,第一个参数就是50。

第二个参数:返回值

返回值提供,RGB、RGBA、HEX三种

第三个及后面参数是色值

例如:

var res = colorRange(10, "HEX", "#CCCCCC", "#DDDDDD");
console.log(res) // #cecece

就会获得从#CCCCCC到#DDDDDD变化的10%的色值,返回值是#cecece

例如:

var res = colorRange(10, "HEX", "#CCCCCC", "#DDDDDD", "#EEEEEE");
console.log(res) // #cfcfcf

就会获得从#CCCCCC到#DDDDDD变化的10%的色值,返回值是#cfcfcf

以上是均匀分布状态。

若色值分布不均匀:

例如:

var res = colorRange(10, "HEX", ["#CCCCCC", 0], ["#DDDDDD", 40], ["#EEEEEE", 100])
console.log(res) // #d0d0d0

起点是#CCCCCC,到40%变换成#DDDDDD,到最后的#EEEEEE,返回值是#d0d0d0

如果有疑问或者bug,可以提issues或者私信我