Change Main Menu text color

I changed the background colour of the top bar to black and I want to change the text to the light green hover color.
My blog is

Hi @subomi,

I hope you are well today and thank you for your question.

You can try achieving this by adding the following CSS code in the Custom CSS option of your theme on the below path.

Admin Area -> Appearance -> Customize -> Activello Options -> Other -> Custom CSS

#page .navbar-default .navbar-nav > li > a {
    color: #4bc1bf;

Best Regards,