Nobody buys a color they can’t see.

Varn works on any Online Store 2.0 theme, including Dawn and Horizon, because it is a theme app extension that drives your theme’s existing variant control rather than replacing it. It has specific handling for the way Dawn and Horizon re-render their pickers, and it detects your theme’s own native swatches and steps aside rather than rendering a second row.

The storefront script is deferred and split by feature, so a page downloads only the parts your settings actually use, and our build holds every one of them to a size budget. Swatch data arrives inside the page your theme already renders, so Varn adds no network request for it and shifts nothing on the page.

Nothing is left behind. Varn never writes into a theme file and never injects a script tag, so removing the app removes the storefront code with it and your theme returns to its own dropdowns. Your product data is untouched, because Varn stores its settings separately rather than rewriting your products.

No. Clicking a swatch selects the value in your theme’s own option control and fires its native change event. Your theme’s form is still what submits to Shopify, so there is no parallel cart path that could disagree with the picker. Varn also refuses to select a value your theme has disabled.

No. Setup is a five-step wizard that verifies your theme for you, shows only the options that are actually colors, and fills in the colors it recognizes. If you do want to go further, the Advance plan adds a custom CSS field, but nothing on any plan requires it.

Varn recognizes Color, Colour, Couleur, Farbe, Colore, Kleur and Farve automatically. If yours is called Shade, Finish or anything else, add the name once in the style studio and it is treated the same way everywhere.

Two passes, and we would rather be specific than mysterious about it. The first matches your option value names against a color dictionary spanning ten languages, applies only the matches it is confident about, runs inside the app and costs nothing. The second is for the values a name cannot answer: Varn sends the product photo to a vision model, which reports the color it can see, so your existing photos get paired with the right variant. That pass is metered in AI usage credits, one credit per photo. Anything either pass is unsure about is left for you to set.

The storefront text is translated into 18 languages and follows whichever locale your shopper is browsing in. Assignments are translation-aware, so a color keeps its swatch across every translated version of the option. The admin interface itself is English.

Room, mostly. Free gives you unlimited color swatches on product pages, collections, search and quick view plus 250 AI usage credits a month, so plenty of stores never need to leave it. Paid plans raise three limits: how many products can have per-color photo galleries (5, 150, 1,500 or unlimited), how many AI usage credits you get each month (250, 1,500, 15,000 or 50,000) and how many product groups you can build (1, 5, 15 or 50). Grow and up also show swatches on products you have not set up yet, and Advance and Premium add swatch analytics and the advanced styling tools.

One credit is one product photo the AI looks at. Matching your option value names against the color dictionary is unlimited on every plan and spends nothing. Credits are only spent when Varn sends a photo to the vision model to find out which color it shows. Every plan includes a monthly allowance, from 250 on Free to 50,000 on Premium, and it resets at the start of each month. Run out and AI setup keeps working from names and color detection until the reset.

Every paid plan is free for 7 days. Pick a plan, approve it on Shopify’s own confirmation screen, and the first 7 days cost nothing. Cancel inside those 7 days and you are never billed. The Free plan needs no trial at all, so you can equally start there and upgrade the day you outgrow it.