Hi there - hope you are doing great today!
I have read the project details and checked attach Business card files and yes we are ready to help you to change the color in existing design.
Please visit our portfolio:
https://www.freelancer.com/u/dreamdezine
Dreamdezine is an innovative studio specialize in logo, brochure, flyer, illustrations, poster, business card, stationery design, corporate identity, icon design, website design, and development.
100% unique design concept.
We will offer you unlimited revisions until you approve the design.
Money back guarantee.
Please contact us so we can further discuss and start work, thanks.
Best regards,