brandsweets

Gradient maker

deg
Export
Aa — the quick brown fox
black text · worst 3.29:1 · AA large only
white 1.19 ✗black 3.29 AA-lgbanding medium · 5.41px
3 stops · click the track to add · drag to move · select to edit

Same stops, three spaces

Click a bar to interpolate there. The number is how much chroma survives at the dullest point.

* some samples left sRGB and were gamut-mapped (slight hue drift there). Grey/white endpoints carry the other stop's hue (powerless hue), so green→white stays green.

Contrast along the line

WCAG ratio for white and black ink at every point. Shaded = below 4.5:1 for black ink. The marker is the exact worst point.

worst black 3.29:1 at 0% · AA large only
Nudges the stop nearest 0% in lightness (hue kept). Or a scrim rgb(255 255 255 / .35) under the text takes it from 3.29:1 to 6.41:1.

Easing

Stops are not evenly spaced. x = stop position, y = mix amount. Baked into 12–16 stops, or one colour-hint when that is within 0.02.

cubic-bezier(0, 0, 1, 1)
plain · 3 stops · 37 B

Derive from a palette or brand

Paste hexes (primary first) or a public brand slug. Every type is a pure function of the palette — the same contact sheet an agent gets from brand_gradients.

SpacerandomiseClick trackadd stopDragmove stop⌫remove stop←/→nudge · undo/redo

Export

CSS with the interpolation space, Tailwind v4, SVG with correct geometry, a DTCG token, and the PNG.

Apply this to a brand → sign in

.gradient {
  background-image: linear-gradient(90deg, #5433ff 0%, #5243ff 3.57%, #5150ff 7.14%, #4f5bff 10.71%, #4d66ff 14.29%, #4a70ff 17.86%, #4879ff 21.43%, #4582ff 25%, #428bff 28.57%, #3e94ff 32.14%, #3a9cff 35.71%, #35a5ff 39.29%, #30adff 42.86%, #29b5ff 46.43%, #20bdff 50%, #30c2fc 53.57%, #3cc7f9 57.14%, #47ccf6 60.71%, #52d1f3 64.29%, #5bd5ef 67.86%, #64daec 71.43%, #6ddfe8 75%, #75e3e5 78.57%, #7de8e1 82.14%, #86ecdd 85.71%, #8ef1d9 89.29%, #95f5d4 92.86%, #9dfad0 96.43%, #a5fecb 100%);
  background-image: linear-gradient(90deg in oklab, #5433ff 0%, #20bdff 50%, #a5fecb 100%);
}
mcpConnect your agent to the gradient engine
live endpoint

Point any MCP client at the shared gradients endpoint and your agent gets the same engine as this page — make_gradient returns CSS with the interpolation space, Tailwind v4, SVG, a PNG URL, a DTCG token and the contrast report in one call; brand_gradients derives the whole contact sheet from a brand or a palette. Read-only, no key. Every gradient is a /gradients/new/… link: open it, refine, paste it back.

endpointhttps://mcp.brandsweets.com/gradients/mcp
claude mcp add --transport http brandsweets-gradients https://mcp.brandsweets.com/gradients/mcp
try this prompt

›derive a hero gradient from #635bff and #00d4ff that passes AA for white text

this gradient as a URL

https://brandsweets.com/gradients/new/v1.5433ff-20bdff-a5fecb?a=90

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.