Mai Theme navigation menu colors.

mai-menu-colors.css

/* Header navigation link color */
.home .nav-header .current-menu-item > a,
.nav-header .nav-search,
.nav-header .nav-search:focus,
.nav-header a {
	color: #323232;
}

/* Header navigation current/hover link color */
.nav-header a:hover,
.nav-header a:focus,
.nav-header .current-menu-item > a,
.nav-header .current-menu-ancestor > a,
.nav-header .menu-item-has-children:not(.highlight):hover > a,
.nav-header .menu-item-has-children:not(.highlight):focus > a,
.nav-header .nav-search:hover,
.nav-header .nav-search:focus,
.nav-header .sub-menu a:hover,
.nav-header .sub-menu a:focus,
.nav-header .sub-menu .current-menu-item > a,
.nav-header .sub-menu .current-menu-item > a:hover,
.nav-header .sub-menu .current-menu-item > a:focus {
	color: blue;
}

/* Header navigation sub-menu background/color */
.nav-header .sub-menu a {
	background-color: #fff;
	color: #323232;
}

/* Header navigation sub-menu hover background/color */
.nav-header .sub-menu a:hover,
.nav-header .sub-menu a:focus,
.nav-header .sub-menu .current-menu-item > a,
.nav-header .sub-menu .current-menu-item > a:hover,
.nav-header .sub-menu .current-menu-item > a:focus {
	background-color: #f4f4f4;
	color: #323232;
}

/* Primary navigation background color */
.home .nav-primary .current-menu-item > a,
.nav-primary {
	background-color: #323232;
}

/* Primary navigation link color */
.home .nav-primary .current-menu-item > a,
.nav-primary .nav-search,
.nav-primary .nav-search:focus,
.nav-primary a {
	color: #e4e4e4;
}

/* Primary navigation current/hover link color */
.nav-primary a:hover,
.nav-primary a:focus,
.nav-primary .current-menu-item > a,
.nav-primary .current-menu-ancestor > a,
.nav-primary .menu-item-has-children:hover > a,
.nav-primary .menu-item-has-children:focus > a,
.nav-primary .nav-search:hover,
.nav-primary .nav-search:focus {
	background-color: #252525;
	color: #fff;
}

/* Primary navigation sub-menu background/color */
.nav-primary .sub-menu a {
	background-color: #323232;
	color: #e4e4e4;
}

/* Primary navigation sub-menu hover background/color */
.nav-primary .sub-menu a:hover,
.nav-primary .sub-menu a:focus,
.nav-primary .sub-menu .current-menu-item > a,
.nav-primary .sub-menu .current-menu-item > a:hover,
.nav-primary .sub-menu .current-menu-item > a:focus {
	background-color: #252525;
	color: #fff;
}