In your dashboard area, go to Appearance->Customiz’It. Expand the “Custom CSS” option on the resulting page.
Here, you can add the following in order to change the colour of the menu words. Replace COLOURVALUE with the hex value that corresponds with the colour you want your text to be:
.navbar .nav > li > a {
color: COLOURVALUE;
}
If your social links are placed in your site’s header area, add the following CSS to change their colour.
.social-block a {
color: COLOURVALUE;
}
Let me know if your social links are placed in your site’s footer or sidebar as this will require slightly different CSS.
Again, for the above example, replace COLOURVALUE with the hex value that corresponds with the colour you want your text to be. You can find colours and their corresponding codes here: https://html-color-codes.com/
Hope that helps! Let me know if anything needs clarifying.