Dark patterns vs persuasive design: where the line is, with examples

You try to cancel a subscription. The "Cancel" link is buried three menus deep. When you find it, you get a survey, then a discount offer, then a page asking whether you are sure you want to "lose all your benefits", with a bright "Keep my plan" button and a grey "Continue" link. You finally get out, annoyed, and you never come back.

Somebody designed that flow on purpose. It probably kept a few people subscribed for another month. It also taught every one of them not to trust that company. That is the trade dark patterns make, and in 2026 they also carry legal risk.

What a dark pattern is

The UX designer Harry Brignull coined the term "dark pattern" in July 2010, when he registered darkpatterns.org to name and shame deceptive interfaces (Wikipedia, Dark pattern). The site now lives at deceptive.design and has been documenting them since 2010 (Deceptive Design).

Arunesh Mathur and six co-researchers gave a clear definition in 2019: dark patterns are "user interface design choices that benefit an online service" by coercing, steering or deceiving users into decisions they would not otherwise make (Mathur et al., 2019).

The key phrase is "would not otherwise make". A dark pattern works against what the person wants. Persuasive design works with it.

How common they are

The same team built a crawler and analysed about 53,000 product pages from about 11,000 shopping websites. They found 1,818 instances of dark patterns, falling into 15 types. 183 of those websites were engaging in outright deception, and the researchers also found 22 third-party companies selling dark patterns to stores as ready-made add-ons (Mathur et al., 2019).

In other words, some of these tricks come pre-packaged in widgets that shop owners install without thinking too hard about them.

The common types, in plain words

Deceptive Design's catalogue lists 18 types (Deceptive Design). These are the ones I see most often on small business sites:

Regulators have stopped treating this as a design debate

Three facts every business owner should know.

The FTC's 2022 report. In September 2022 the US Federal Trade Commission published a staff report called "Bringing Dark Patterns to Light". It grouped the tactics it was seeing into four areas: disguising ads and using fake countdown timers, making it hard to cancel subscriptions, burying key terms and junk fees, and tricking people into sharing data. One example it cited was ABCmouse, which allegedly made cancelling very hard while advertising "Easy Cancellation" (FTC, 15 September 2022).

The Amazon Prime settlement. On 25 September 2025 the FTC announced a $2.5 billion settlement with Amazon: a $1 billion civil penalty and $1.5 billion in refunds to an estimated 35 million customers. The FTC alleged that Amazon enrolled people in Prime without their consent through confusing sign-up screens and made cancelling deliberately difficult. Among the changes Amazon must make: a clear button to decline Prime, which can no longer be worded "No, I don't want Free Shipping", and a way to cancel that is no harder than signing up (FTC, 25 September 2025).

The EU's Digital Services Act. Article 25 says online platforms must not design their interfaces in a way that "deceives or manipulates" users or otherwise impairs their ability "to make free and informed decisions". It names examples for guidance, including giving one choice more prominence than others, repeatedly asking for a choice the user has already made, and making cancelling harder than subscribing (DSA, Article 25).

Notice how ordinary those examples are. A grey "No" next to a bright "Yes". A pop-up that comes back. A cancel page buried in settings. These are everyday design choices, and they are now named in law.

So where is the line?

Persuasive design uses the same psychology as dark patterns: urgency, scarcity, social proof, defaults, framing. What separates them is whether the thing you tell people is true, and whether they can easily do what they actually want.

I use four questions:

1. Is it true? A deadline that really ends on Friday is information. A timer that resets is a lie.
2. Can people see what they are agreeing to? Price, renewal date and cancellation terms should be visible before they pay, not after.
3. Is saying no as easy as saying yes? Same size of button, plain wording, same number of steps.
4. Would I be comfortable explaining it to the customer's face? If the honest explanation is "we hoped you wouldn't notice", it is a dark pattern.

If a design passes all four, you are persuading. If it fails any one, you are tricking.

Worked examples: the same goal, done both ways

Each pair below has the same business goal. Only the method changes.

Getting newsletter sign-ups

• Dark: A pop-up after three seconds with the decline link "No thanks, I prefer to stay uninformed". It appears again on every page.
• Persuasive: A short box at the end of an article: "One practical design tip every Sunday. Unsubscribe in one click." A plain "No thanks" closes it, and it stays closed.

Selling a time-limited offer

• Dark: "Offer ends in 09:59" on a timer that restarts for every visitor.
• Persuasive: "Launch price until 31 October, then it goes back to the standard price." The date is real, and the offer really ends.

Keeping subscribers

• Dark: Cancelling needs an email to support. The final screen says "Are you sure you want to lose everything?" with "Keep my plan" in a bright button and "Cancel" as small grey text.
• Persuasive: A "Cancel subscription" link in account settings. One screen offers a pause or a cheaper plan, with "Cancel now" as a clear button of the same size. A confirmation email follows.

Upselling at checkout

• Dark: Delivery protection added to the basket automatically, shown in small text above the total.
• Persuasive: An unticked option: "Add delivery protection for this order?" with the price next to it.

The persuasive versions may convert a little less in the moment. They also don't produce the angry reviews, refund requests and chargebacks that dark patterns tend to bring, and they keep you on the right side of the rules above.