CSS Pattern Generator — Dots, Grid, Stripes, Checkerboard & More

Real-world use cases

• Add a subtle dot texture to a SaaS hero section

  A flat-colour hero reads as "template". Workflow: pick the Dots type, set the background to your hero colour (say `#0a0e1a`), set the foreground to a low-contrast tint of it (`#1e293b`), drop the feature size to 2px and spacing to ~22px. You get a quiet polka texture that adds depth without competing with the headline. Copy the three `background-*` lines onto your `.hero` rule. Because it's gradient-based, it stays sharp on a 4K monitor and you can theme it for dark mode by swapping the two hex values.

• Build a blueprint / grid card background for a dashboard

  Dashboards with white cards on white pages feel flat. Pick the Grid type, set background to a deep navy (`#0b1220`), foreground to a dim blue line colour (`#1e3a8a`), size 1px, spacing 28px. That gives a technical "graph paper" backdrop behind charts. Paste the CSS onto your `.card` class. One spacing slider controls the whole density — no need to redraw a tiling image when a designer asks for a tighter grid.

• Make caution-tape stripes for a warning banner

  For a "scheduled maintenance" or destructive-action banner, the Diagonal pattern at 45° with a yellow foreground (`#ffe27a`) over a dark base (`#1c1c1c`), size 16px, spacing 36px, reads instantly as "caution". Drag the angle slider to flip the stripe direction. Copy the single `repeating-linear-gradient` line into your alert component — it animates cleanly with a `background-position` transition if you want the stripes to march.

• Prototype a checkerboard transparency backdrop

  Image editors show transparency as a grey checkerboard. To mimic that behind an image upload preview, pick Checkerboard, set foreground and background to two greys (`#2a2a2a` / `#1a1a1a`), spacing 10px. Paste it behind your `<img>` so users immediately read "this area is transparent". The conic-gradient version tiles perfectly at any size — no 16×16 PNG to ship.

• Tailwind arbitrary-value pattern without a config plugin

  You want a striped section but don't want to add a Tailwind plugin or a background image to your assets. Configure the Stripes pattern here, copy the CSS, then inline it as a Tailwind arbitrary value: `bg-[image:repeating-linear-gradient(...)]`. The tool gives you the exact gradient string with px stops already computed, so you paste once and ship — no build step, no extra dependency, no new file in your `public/` folder.

Common pitfalls

• Setting spacing smaller than (or equal to) the feature size collapses the pattern into a solid block, because the foreground band fills the entire tile with no gap left for the background. Keep spacing meaningfully larger than size — the tool clamps the foreground band to spacing − 1px to avoid a fully solid result, but you still want a visible ratio (e.g. size 4, spacing 24).

• Forgetting `background-size` when you copy only the `background-image` line. Dots, checkerboard and cross are *tiled* patterns — they rely on `background-size` to define the repeat period. If you paste only the image, the pattern renders once at full element size instead of repeating. Copy the whole block the tool gives you, not just one line.

• Expecting the angle slider to rotate dots or grid. Only stripes and diagonal are orientable; the others are axis-aligned and ignore angle (the slider is hidden for them). To change how a grid looks, adjust spacing and line size, not angle.

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