Named gradient · uiGradients

Facebook Messenger

Facebook Messenger is a blue gradient from uiGradients (MIT) — #00c6ff → #0072ff at 90°. Shown here interpolated in OKLab, next to the original sRGB, with the worst-case contrast for white and black text and every export.

Aa — the quick brown fox
black text · worst 4.85:1 · AA
white 2.00 failsblack 4.85 AAbanding high

Same stops, three spaces

The source renders this in sRGB. The number is how much chroma survives at the dullest point along the line — the difference between the first bar and the others is the grey that OKLab removes.

sRGB80%
OKLab80%
OKLCH80%

Report

  • white ink: worst 2.00:1 at 0% (fails AA); black ink: worst 4.85:1 at 100% (AA) → use black text.
  • Banding high: ~17px bands at 1440px — add grain 35 (≈2% soft-light noise) or shorten the ramp.

Export

css
.gradient {
  background-image: linear-gradient(90deg, #00c6ff 0%, #00c0ff 7.14%, #00bbff 14.29%, #00b5ff 21.43%, #00afff 28.57%, #00aaff 35.71%, #00a4ff 42.86%, #009eff 50%, #0098ff 57.14%, #0092ff 64.29%, #008cff 71.43%, #0086ff 78.57%, #007fff 85.71%, #0079ff 92.86%, #0072ff 100%);
  background-image: linear-gradient(90deg in oklab, #00c6ff 0%, #0072ff 100%);
}
tailwind v4
bg-linear-to-r/oklab from-[#00c6ff] to-[#0072ff]
svg
<svg xmlns="http://www.w3.org/2000/svg" width="1440" height="600" viewBox="0 0 1440 600"><defs><linearGradient id="bs-gradient" gradientUnits="userSpaceOnUse" x1="0" y1="300" x2="1440" y2="300"><stop offset="0%" stop-color="#00c6ff"/><stop offset="7.14%" stop-color="#00c0ff"/><stop offset="14.29%" stop-color="#00bbff"/><stop offset="21.43%" stop-color="#00b5ff"/><stop offset="28.57%" stop-color="#00afff"/><stop offset="35.71%" stop-color="#00aaff"/><stop offset="42.86%" stop-color="#00a4ff"/><stop offset="50%" stop-color="#009eff"/><stop offset="57.14%" stop-color="#0098ff"/><stop offset="64.29%" stop-color="#0092ff"/><stop offset="71.43%" stop-color="#008cff"/><stop offset="78.57%" stop-color="#0086ff"/><stop offset="85.71%" stop-color="#007fff"/><stop offset="92.86%" stop-color="#0079ff"/><stop offset="100%" stop-color="#0072ff"/></linearGradient></defs><rect width="1440" height="600" fill="url(#bs-gradient)"/></svg>
dtcg
{
  "facebook-messenger": {
    "$type": "gradient",
    "$value": [
      {
        "color": {
          "colorSpace": "srgb",
          "components": [
            0,
            0.776,
            1
          ],
          "hex": "#00c6ff"
        },
        "position": 0
      },
      {
        "color": {
          "colorSpace": "srgb",
          "components": [
            0,
            0.447,
            1
          ],
          "hex": "#0072ff"
        },
        "position": 1
      }
    ],
    "$extensions": {
      "com.brandsweets": {
        "kind": "linear",
        "css": "linear-gradient(90deg in oklab, #00c6ff 0%, #0072ff 100%)",
        "interpolation": "oklab",
        "angle": 90,
        "name": "Facebook Messenger",
        "contrast": {
          "white": {
            "ratio": 1.996,
            "at": 0,
            "passesAA": false,
            "passesAALarge": false
          },
          "black": {
            "ratio": 4.851,
            "at": 1,
            "passesAA": true,
            "passesAALarge": true
          },
          "suggestedInk": "#000000"
        }
      }
    },
    "$description": "Facebook Messenger (uiGradients, MIT), rendered in OKLab."
  }
}

Tagged

More blue gradients

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

take the Facebook Messenger gradient (#00c6ff, #0072ff), re-interpolate it in oklch, and tell me the worst-case contrast for white text

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

Machine-readable: gradients.md · From uiGradients (MIT) — licences