Dental Care HTML tempalte have 4 color skins if you edit style.css you can see there is a default-colors.css file is included
/*----------------
01 - Colors Stylesheet inclusion
This template have 3 more Skins
css/skin1.css
css/skin2.css
css/skin3.css
in Following line you can change the file name
to change color skins.
----------------*/
@import 'css/default-colors.css';
You may change default-colors.css to skin1.css or skin2.css or skin3.css and use any skin then edit that CSS file to change color codes to match your desired color scheme thanks