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AI card design for loyalty cards: what to check

What AI card design can do for a loyalty card (your colors, a text-free banner, a first draft) and the decisions that should stay with you.

A hand holding a phone over a cafe table, photographing a cappuccino and small plates from above.
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AI card design is useful for a loyalty card, but not in the way the phrase suggests. A wallet pass has no layout to invent. It is a fixed form with a handful of slots, so what AI does well is fill the slots you would otherwise guess at.

It reads your colors from your logo and website, and it can paint a banner that fits your shop.

It saves you a design job, not a decision. The reward, the wording on the front, and the rules on the back are business decisions. A card that looks right but promises the wrong thing still fails at the counter.

Key takeaways

  • On a loyalty card, AI fills fixed slots: brand colors, a banner image, and a first draft. It does not design a layout, because there isn’t one.
  • A good AI banner has no words in it. Apple shows the strip image behind the card’s main fields, and Google advises against text in images.
  • Colors pulled from your website are a starting point. Check them against a real contrast standard before you go live.
  • The reward, the stamp count, and the terms stay with you. AI can draft; you decide.
  • Many of the mistakes an AI-made card makes show up in a five-minute check on a phone, if you know what to look for.

What AI card design actually does on a loyalty card

A digital loyalty card lives in Apple Wallet or Google Wallet. Both give you roughly the same short list of slots: a logo, a background color, a banner image, a card name, the stamp balance, a reward line, and a QR code.

The design principles for each slot are in how to design a loyalty card people keep on their phone. This post is about a narrower question: which of those slots a machine should fill.

Some slots are guesswork that AI does faster than you. Others are promises to your customers, and they need a person.

Slot Who should fill it Why it matters
Brand color AI suggests, you pick It has to look like you and keep the text readable
Banner image AI paints or finds, you approve On Apple Wallet it sits behind the main fields
Logo You supply it It is your mark; AI should not redraw it
Reward line You write it It is the promise, and it decides whether people come back
Stamp count You decide It is margin math, not design
Terms on the back You decide They settle the arguments at the counter
QR code Generated for you The wallet draws it in black on white; leave it alone so it scans fast

The pattern is simple. Where the job is matching your look, let AI do the first pass. Where the job is making a commitment, do it yourself.

Colors: read from what you already have

Your brand color already exists. It is on your sign, your cups, your website. The useful thing AI can do is read it from there and offer you a few candidates, rather than make you hunt for a hex code.

The weak spot is where it reads from. A website has more than one color on it: a hero photo, a button, a footer. A palette pulled from the site can include a color that belongs to a photo of a sunset rather than to your brand. Pick the candidate that matches your sign, not the one the machine lists first.

Then check it. The W3C’s accessibility standard, WCAG success criterion 1.4.3, asks for a contrast ratio of at least 4.5:1 for normal text and 3:1 for large text. Treat that as the floor for anything a customer has to read on the card.

Google adds a rule of its own. Its loyalty card brand guidelines tell businesses to avoid very saturated “vibrant” colors, such as neon green and electric cyan, for the card background. If Google Wallet is given no color at all, it picks the dominant color from your logo. That is one more reason to choose one on purpose.

The banner: why a good one has no words in it

The banner is where AI card design earns its keep, and where homemade cards often go wrong. The instinct is to put the offer in the picture: “10th coffee free” in big letters over a photo of a latte. Both wallets push against that.

Apple’s archived pass programming guide says the strip image “is displayed behind the primary fields,” in a space of 375 by 123 points for a store card. On Apple Wallet, that is where the stamps or balance show. Words painted into the image compete with the one thing the customer needs to read.

Google shows its banner in a band of its own, but its brand guidelines list “embed text into your images” as a don’t, because text in an image cannot be localized. A word painted into a picture also cannot be corrected later without making a new picture.

This is also why the banner is a special case. The card design guide warns against photos behind the balance, and that holds everywhere except the strip. The strip is the one slot built for an image under the fields, and it suits a calm, text-free picture.

So a well-made AI banner shows products, materials, and atmosphere, and nothing to read. For a bakery that might be flour and a cooling rack of loaves. For a barber, a clean chair and warm light.

What to check when one comes back:

  • Does it show something you sell? An image model works from your name, a line about your business, your reward, and your colors, not from your counter. A latte on a tea shop’s card is wrong, however pretty it is.
  • Is the top layer still readable over it? A busy, high-contrast picture fights the stamps on top. Calm and slightly soft is better.
  • Would a regular recognize the mood? Warm and rustic suits some shops and not others. If it feels like someone else’s place, make another, or use a photo of your own.

What AI should not decide for you

The parts of a loyalty card that matter most are not visual, and they are where an automated first draft needs the most attention.

The reward and the threshold. How many stamps before a free coffee, and whether stamps are even the right mechanic, is a decision about your margin and how often your customers visit. It is worked through in how many stamps a card should have and stamps, points or vouchers. No image model knows your cost per cup.

The words your regulars use. A draft can describe your reward correctly and still sound like a stranger wrote it. If your customers say “flat white,” the card should too.

The rules on the back. One stamp per visit or per item, what happens when someone changes phone, whether rewards expire: these settle arguments before they start. They are covered in the loyalty program terms to decide first. A generated card can start from sensible defaults, but the rules are yours to own.

Your logo. The logo has its own slot, and AI should not redraw it. Google Wallet masks the logo into a circle and asks for a square image of at least 660 by 660 pixels with a 15% margin, per its brand guidelines. If your only logo is a wide wordmark, check what is left of it inside that circle.

A five-minute check for an AI-made card

The general test for any card, whoever made it, is the arm’s-length test in the card design guide. Run that too. These checks are for the mistakes a machine makes that a designer would not.

  1. Did it get your details right? Read the name, address, and category it took from your listing. A shop that changed its name last year can still be listed under the old one.
  2. Did it pick your color, or a photo’s? Compare the card to your sign. If the color came from an image on your website, swap it.
  3. Does the banner show your trade? Look for the wrong product, the wrong season, or anything that looks like another shop’s signage.
  4. Does the logo survive Google’s circle? Scan the card on an Android phone, or ask someone who has one, and look at the logo crop.
  5. Does the wording sound like you? Read the reward line aloud. If it sounds like a brochure, change it to what you would say across the counter.

Then print the code and put it where people wait. What to put beside it is covered in what to put beside the code at the counter.

How Passumo does it

Passumo sells the card described here, so here is plainly what it does. You search for your shop. Passumo takes your name, address, and category from your public business listing, and your logo and colors from your website.

Passumo’s team approves the request, then your card is built around your shop, with your colors, a banner, and a printable join QR code styled to match. It is usually ready the same day, and the invite arrives by email.

The banner comes from your own photos where we find them, otherwise from a stock photo or one painted by AI. When we paint one, the image model gets your shop’s name, its tagline, your reward, and your brand colors as inspiration. It is told to include no text, no signage, and no logos at all.

In the card designer, you can switch the preview between Apple Wallet, Google Wallet, and your join page as you edit. You can change the logo, add a wide logo just for Google Wallet, change the colors and the wording, and either upload your own banner or generate a new one with AI.

When you save, every card already in a customer’s wallet updates itself. The steps are on the loyalty card maker page.

Once customers have joined, the same rule carries into messages: Passumo’s automations can draft push, email, and SMS messages with AI, and you decide what goes out.

Frequently asked questions

Why does the AI banner have no words or people in it? Words compete with the stamps on Apple Wallet and cannot be translated or corrected later. People in a stock or generated scene are strangers to your customers. Products and atmosphere say what you sell without either problem.

What if the AI picks the wrong color or photo? Change it. The colors it offers are candidates, and a banner can be replaced with another generated one or your own photo at any point. Nothing it picks is locked in.

Can I use a photo from my own website instead? Yes, and a good one usually beats anything generated. Choose a well-lit shot of your counter or your best-selling product, with no lettering in frame and a calm area where the stamps will sit.

Does AI card design cost extra? No. In Passumo, the card is built for you as part of setup, and generating a new banner is a button in the card designer. For current plans, see pricing.

Where to go next

Design comes after the decisions that set your results: how long the card is, the reward, who gets one, and when you send a message. The complete guide to digital loyalty cards takes them in order. If you would rather start from a layout of your own, the loyalty card template guide covers printable and digital options side by side.

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