By default WordPress color picker button on TinyMCE editors shows you limited color options, it allows you to use a custom color but selection box is limited to limited color shades.
In this lesson you will learn how to extend WordPress TinyMCE color shades to more color options to choose from.
TinyMCE Color Grid is the new WordPress plugin which upon activation automatically adds new color picking option in your color picker button in visual editor.
Start by installing ‘TinyMCE Color Grid’ plugin in WordPress
Upon activation, visit your admin area dashboard Posts -> Add New screen or open any old post for editing and click ‘Text Color’ color picker TinyMCE button.
You will be noticing the plugin has added more color shades to choose from.