When changing the colors of links in Elementor you may use the following methods in this documentation.
Global Site Settings For Link Color
Click the Hamburger menu 
in the upper left corner of any page or post’s widget panel to access the Site Settings > Theme Style > Typography.
Link – Normal | Hover
- Color: Choose the default color of links for both normal and hover states
- Typography: Change the default typography of links for both normal and hover states
See Also: Theme Style – Global Settings
CSS Classes
If you need to override the Site Settings, you may create additional CSS link classes in the Site Settings > Custom CSS region. Add these classes to your text editor or widget links.
CSS Class Snippet
a.mygreenlink:link, a.mygreenlink:visited, a.mygreenlink:active
{ color:green; text-decoration: none; } a.mygreenlink:hover { color: green; text-decoration: underline; }
Usage Example
<a class=”mygreenlink” href=”#”>My Green CSS Class Link</a>
Inline HTML Style
You may additionally use the style property directly in your link HTML .
Usage Example
<a style=”color:purple;” href=”#”>My Purple Inline CSS Link</a>