The card opens on a retro scene: a tiered birthday cake with lit candles, a party hat, stacked gifts, and a classic boxy radio, all drawn in warm orange, brown, yellow, green, and red. The illustrated style is deliberately old-school — thick outlines, flat colours, the kind of graphic you'd see on a 1970s greeting card. Festive bunting and small decorations fill the background without cluttering the scene. There's nothing modern or minimal about it. The overall feeling is loud and nostalgic, like digging out an old photo album and finding everyone laughing.
This card fits someone like your grandpa who turns 75 and still has a vinyl collection he plays every Sunday morning — the radio on the card will mean something to him specifically. It also works for your dad's dad who grew up in an era when birthdays meant a proper cake on the kitchen table and a transistor radio in the corner. For either man, the retro illustration signals that you actually thought about who he is, not just that it's his birthday. The warm colour palette reads as festive without being loud in a juvenile way.
Photos that land well here are ones with some lived-in quality to them. A candid shot of grandpa at his actual birthday dinner, candles lit, caught mid-laugh, sits naturally alongside the illustrated cake. A photo of him at a younger age — maybe from the 70s or 80s, pulled from an old family album and photographed with your phone — adds a layer the card's retro mood already sets up. You could also include a recent group shot of the whole family at the birthday party. Recipients can tap any photo and download it at full resolution, so the photos you include become their own keepsake alongside the card.