[Theme Horse Support Team]

@mr-earl-lee To change the colors of the turquoise/aqua and grey color Go to Appearance > Customize/Theme Options > Design Options Tab > Custom CSS paste the following CSS code and Click on save button:

.featured-text .featured-title {
    background: rgba(5, 169, 197, 0.9);
}
.featured-text .featured-content {
    background: rgba(85, 85, 85, 0.9);
}

Change above rgba background color with your own rgba color also you can use HEX color too.

Thank you!