Brand gradient
Taco Bell gradient
The gradient Taco Bell's published colour tokens imply, derived by a pure function of the palette: primary → secondary in OKLab (OKLCH shorter hue when the hues are more than 140° apart; a tonal ramp when they are within ΔE 0.15), then a hero background with an ink that passes AA at the worst point along the line, a button surface with hover and active states, and the variant contact sheet. Same inputs, same gradients, forever — which is what makes them citable; the same values are served as --brand-gradient in the brand's brand.css.
- Source
- tacobell.com
- Extracted
- Version
- 3
Hero and button
Hero background
Open in maker →Chroma ×0.35 so it can carry text; ink white (inkFor at the midpoint). Passes AA for that ink at the worst point (4.69:1) without adjusting L.
linear-gradient(135deg in oklab, #453961 0%, #8268a6 100%)
bg-linear-to-br/oklab from-[#453961] to-[#8268a6]
Button / CTA
Open in maker →ΔL 0.08 top→bottom in the primary's hue (a lit surface, not a rainbow); hover L +0.03, active L −0.03. White ink passes AA on the surface and both states (worst 8.35:1).
linear-gradient(180deg in oklch shorter hue, #5a22a5 0%, #46008b 100%)
bg-linear-to-b/oklch from-[#5a22a5] to-[#46008b]
Variants
Tonal ramp
Open in maker →linear-gradient(135deg in oklch shorter hue, #8152d4 0%, #501098 50%, #1f0047 100%)
bg-linear-to-br/oklch from-[#8152d4] via-[#501098] to-[#1f0047]
Analogous
Open in maker →Partner hue from the analogous rule at the source colour's lightness.
linear-gradient(135deg in oklab, #501098 0%, #1115bd 100%)
bg-linear-to-br/oklab from-[#501098] to-[#1115bd]
Complementary
Open in maker →Partner hue from the complementary rule at the source colour's lightness. ΔH 180° > 140° — interpolating in oklch (shorter hue) keeps the midpoint saturated.
linear-gradient(135deg in oklch shorter hue, #501098 0%, #3f4608 100%)
bg-linear-to-br/oklch from-[#501098] to-[#3f4608]
Triadic
Open in maker →Partner hue from the triadic rule at the source colour's lightness.
linear-gradient(135deg in oklab, #501098 0%, #633308 100%)
bg-linear-to-br/oklab from-[#501098] to-[#633308]
Report — brand gradient
- white ink: worst 5.29:1 at 100% (AA); black ink: worst 1.87:1 at 0% (fails AA) → use white text.
- Banding high: ~15px bands at 1440px — add grain 31 (≈2% soft-light noise) or shorten the ramp.
Export
The custom properties below are byte-identical to the gradient block in brand.css; the DTCG token is what tokens.json carries.
:root {
/* Brand gradient (derived) */
/* worst-case contrast: white 5.29:1 AA, black 1.87:1 */
--brand-gradient: linear-gradient(135deg in oklab, #501098 0%, #9a23f8 100%);
/* hero — worst-case contrast: white 4.69:1 AA, black 2.01:1; ink passes AA at the worst point */
--brand-gradient-hero: linear-gradient(135deg in oklab, #453961 0%, #8268a6 100%);
--brand-gradient-hero-ink: #ffffff;
/* button — worst-case contrast: white 9.52:1 AA, black 1.63:1 */
--brand-gradient-button: linear-gradient(180deg in oklch shorter hue, #5a22a5 0%, #46008b 100%);
--brand-gradient-button-hover: linear-gradient(180deg in oklch shorter hue, #622daf 0%, #4d0a95 100%);
--brand-gradient-button-active: linear-gradient(180deg in oklch shorter hue, #53159b 0%, #3e0080 100%);
--brand-gradient-button-ink: #ffffff;
}<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="210" y1="-210" x2="1230" y2="810"><stop offset="0%" stop-color="#501098"/><stop offset="7.14%" stop-color="#55119f"/><stop offset="14.29%" stop-color="#5a13a5"/><stop offset="21.43%" stop-color="#5f14ac"/><stop offset="28.57%" stop-color="#6416b3"/><stop offset="35.71%" stop-color="#6917b9"/><stop offset="42.86%" stop-color="#6f18c0"/><stop offset="50%" stop-color="#741ac7"/><stop offset="57.14%" stop-color="#791bce"/><stop offset="64.29%" stop-color="#7f1cd5"/><stop offset="71.43%" stop-color="#841edc"/><stop offset="78.57%" stop-color="#891fe3"/><stop offset="85.71%" stop-color="#8f20ea"/><stop offset="92.86%" stop-color="#9422f1"/><stop offset="100%" stop-color="#9a23f8"/></linearGradient></defs><rect width="1440" height="600" fill="url(#bs-gradient)"/></svg>
{
"gradient": {
"brand": {
"$type": "gradient",
"$value": [
{
"color": {
"colorSpace": "srgb",
"components": [
0.314,
0.063,
0.596
],
"hex": "#501098"
},
"position": 0
},
{
"color": {
"colorSpace": "srgb",
"components": [
0.604,
0.137,
0.973
],
"hex": "#9a23f8"
},
"position": 1
}
],
"$extensions": {
"com.brandsweets": {
"kind": "linear",
"css": "linear-gradient(135deg in oklab, #501098 0%, #9a23f8 100%)",
"interpolation": "oklab",
"angle": 135,
"name": "brand",
"contrast": {
"white": {
"ratio": 5.29,
"at": 1,
"passesAA": true,
"passesAALarge": true
},
"black": {
"ratio": 1.869,
"at": 0,
"passesAA": false,
"passesAALarge": false
},
"suggestedInk": "#ffffff"
}
}
},
"$description": "The canonical brand gradient (--brand-gradient)."
},
"hero": {
"$type": "gradient",
"$value": [
{
"color": {
"colorSpace": "srgb",
"components": [
0.271,
0.224,
0.38
],
"hex": "#453961"
},
"position": 0
},
{
"color": {
"colorSpace": "srgb",
"components": [
0.51,
0.408,
0.651
],
"hex": "#8268a6"
},
"position": 1
}
],
"$extensions": {
"com.brandsweets": {
"kind": "linear",
"css": "linear-gradient(135deg in oklab, #453961 0%, #8268a6 100%)",
"interpolation": "oklab",
"angle": 135,
"name": "hero",
"ink": "#ffffff",
"contrast": {
"white": {
"ratio": 4.688,
"at": 1,
"passesAA": true,
"passesAALarge": true
},
"black": {
"ratio": 2.011,
"at": 0,
"passesAA": false,
"passesAALarge": false
},
"suggestedInk": "#ffffff"
}
}
},
"$description": "Low-chroma hero background with a text-safe ink (--brand-gradient-hero)."
},
"button": {
"$type": "gradient",
"$value": [
{
"color": {
"colorSpace": "srgb",
"components": [
0.353,
0.133,
0.647
],
"hex": "#5a22a5"
},
"position": 0
},
{
"color": {
"colorSpace": "srgb",
"components": [
0.275,
0,
0.545
],
"hex": "#46008b"
},
"position": 1
}
],
"$extensions": {
"com.brandsweets": {
"kind": "linear",
"css": "linear-gradient(180deg in oklch shorter hue, #5a22a5 0%, #46008b 100%)",
"interpolation": "oklch",
"hue": "shorter",
"angle": 180,
"name": "button",
"ink": "#ffffff",
"states": {
"hover": "linear-gradient(180deg in oklch shorter hue, #622daf 0%, #4d0a95 100%)",
"active": "linear-gradient(180deg in oklch shorter hue, #53159b 0%, #3e0080 100%)"
},
"contrast": {
"white": {
"ratio": 9.516,
"at": 0,
"passesAA": true,
"passesAALarge": true
},
"black": {
"ratio": 1.633,
"at": 1,
"passesAA": false,
"passesAALarge": false
},
"suggestedInk": "#ffffff"
}
}
},
"$description": "Button / CTA surface with hover and active states (--brand-gradient-button)."
}
}
}Colours
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.
https://mcp.brandsweets.com/gradients/mcpclaude mcp add --transport http brandsweets-gradients https://mcp.brandsweets.com/gradients/mcp
›brand_gradients for tacobell-com — give me the hero CSS and the ink that passes AA, then a version in oklch
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Taco Bell and its marks belong to their owner. This page uses the name nominatively to describe gradients derived from the brand's published colour values; it does not reproduce logos or other brand assets, and it is not affiliated with or endorsed by Taco Bell. Owner of this brand? Request a correction or removal → Machine-readable: gradients.md