Accessible Color Picker

Accessible Color Picker插件简介

Accessible Color Picker插件描述

There must be enhanced contrast  feground  background text cols  images of text. Enhanced col contrast ensures that the page is usable by a very wide range of people with low vision  col deficiencies  when the page is viewed without col,  users of monochrome screens can underst page content.

Leverage this inbrowser col picker to evaluate the accessibility of your col palette. This tool allows you to select feground  background cols  will determine the col contrast ratio  them. If your cols do not have sufficient contrast, this tool will suggest similar cols that are compliant.

Additional features
* Histy of last 10 feground  10 background cols selected
* Preview sample text using selected cols
* Toggle feground  background to test variations
* Editable hex codes with simple copy to clipboard button
                                

Accessible Color Picker插件离线安装方法

1.首先用户点击谷歌浏览器右上角的自定义及控制按钮，在下拉框中选择设置。

2.在打开的谷歌浏览器的扩展管理器最左侧选择扩展程序或直接输入：chrome://extensions/

3.找到自己已经下载好的Chrome离线安装文件xxx.crx，然后将其从资源管理器中拖动到Chrome的扩展管理界面中，这时候用户会发现在扩展管理器的中央部分中会多出一个”拖动以安装“的插件按钮。

4.下载 Accessible Color PickerChrome插件v1.0.0.1版本到本地。

5.勾选开发者模式，点击加载已解压的扩展程序，将文件夹选择即可安装插件。

注意：最新版本的chrome浏览器直接拖放安装时会出现“程序包无效CRX-HEADER-INVALID”的报错信息，参照这篇文章即可解决