nektobit

A lightweight (8Kb minified, 2.9Kb gzipped) script to let users share their text selections to social networks, in desktop browsers. (Yes, like Medium). 
Based on Sharect.js
<ul>
<li>Supports adding custom icons (for now using php snippet)</li>
<li>You can also control the color of the tooltip widget (also using php code)</li>
</ul>
<a href="https://nektobit.github.io/WP-Sharect/#documentation" rel="nofollow ugc">Documentation</a>
Millstones
The plugin is under active development, I welcome any feedback.
<ul>
<li>Add widget color picker</li>
<li>Adding social media icons from the admin interface</li>
<li>Optional meta tags</li>
</ul>

Sharect WP

The plugin allows you to highlight text on your website and share it on social networks

Nick Halsey

Many devices and browsers provide less-than-ideal colors when selecting text on sites. Users may select text for a variety of reasons, including as a habit when reading or to share a quote. This plugin lets you customize this highlight color with live preview in the customizer.
Note that themes can also customize this color, and in cases where the theme sets the color, this plugin would allow it to be changed to a different color.

Custom Highlight Color

Many devices and browsers provide less-than-ideal colors when selecting text on sites. Users may select text for a variety of reasons, including as a  …

Sharect WP vs Custom Highlight Color