My son's 2nd birthday party was a bug theme. These were the invitations. I insided-out the card to put the color on the inside and the white on the outside. (It's hard to tell but the chartreuse computer ink matched the inside color.) It was a fun little change.
stamps: Stampin' Up! bug collection
ink: VersaFine onyx black, Impress red, Impress Tangerine, Impress Chartreuse
other: "you're invited" printed on computer