Highlight the portion of text whose color you want to change
On the toolbar that will automatically appear below highlighted portion of text, select the „paint container” icon (the fifth icon from the left)
Click the „paint container” icon, and the following will appear: a large color rectangle for selecting shades, a color scale slider for selecting a color, a slider corresponding to transparency, a small square displaying the current settings and HEX number
Below the HEX number, you can add new color samples
To add a new color sample, select the color, hue, brightness, and transparency, then click the „+” sign below the HEX number
The new color sample will appear as a small square displaying the selected color between the HEX number and the „+” and „−” signs
You can add many color samples
Clicking the particular color samples will change the color of the highlighted text