Just let us add your RSVP date. These economy response cards are printed in black ink with just a touch of greenery as a neutral response card to coordinate with your DIY invitations. Cougar White and Natural 80 lb card stock are the foundation for these lovely greenery RSVP cards. Please add the custom date you need added to these cards. The Cougar White is a bright 98B White and the Cougar Natural is a neutral off white ivory color with no yellow undertones. Be sure to pick up A1 or 4 Bar envelopes for your guests to enclose the response cards.