# Vodafone gradient

Gradients derived from Vodafone's published colour tokens (nominative use; no brand assets). Deterministic: the same values are served as `--brand-gradient*` in the brand's brand.css.

- Page: https://brandsweets.com/gradients/brands/vodafone-com
- Brand colors: https://brandsweets.com/colors/brands/vodafone-com · Brand page: https://brandsweets.com/b/vodafone-com
- Palette: primary #e60000, secondary #bd0000, accents #e60000
- Source: https://vodafone.com (extracted 2026-09-05)

## Brand gradient

ΔE_OK 0.086 < 0.15 between #e60000 and #bd0000 — a 2-stop would read as a flat fill, so this is a tonal ramp of #e60000.

- CSS: `linear-gradient(135deg in oklch shorter hue, #ff8371 0%, #e60000 50%, #920000 100%)`
- Tailwind: `bg-linear-to-br/oklch from-[#ff8371] via-[#e60000] to-[#920000]`
- Contrast (worst point): white 2.40:1 fail · black 2.22:1 fail · banding high
- Maker: https://brandsweets.com/gradients/new/v1.ff8371-e60000-920000?a=135&in=oklch&hue=shorter

## Hero background

Chroma ×0.35 so it can carry text; ink white (inkFor at the midpoint). L shifted −0.18 until the ink passes AA at the worst point (4.57:1).

- CSS: `linear-gradient(135deg in oklch shorter hue, #976b63 0%, #703128 50%, #32090f 100%)`
- Tailwind: `bg-linear-to-br/oklch from-[#976b63] via-[#703128] to-[#32090f]`
- Contrast (worst point): white 4.57:1 AA · black 1.18:1 fail · banding high · ink #ffffff
- Maker: https://brandsweets.com/gradients/new/v1.976b63-703128-32090f?a=135&in=oklch&hue=shorter

## Button / CTA

ΔL 0.08 top→bottom in the primary's hue (a lit surface, not a rainbow); hover L +0.03, active L −0.03. L shifted −0.05 so white ink gets as close as the ±0.1 bound allows to AA on the surface and both states (worst 4.44:1). Ink is below AA (4.44:1 at the worst point) — use it for large text only, or pick a darker/lighter primary for buttons.

- CSS: `linear-gradient(180deg in oklch shorter hue, #e20000 0%, #bf0000 100%)`
- Tailwind: `bg-linear-to-b/oklch from-[#e20000] to-[#bf0000]`
- Contrast (worst point): white 4.96:1 AA · black 3.21:1 AA-large · banding high · ink #ffffff
- Maker: https://brandsweets.com/gradients/new/v1.e20000-bf0000?a=180&in=oklch&hue=shorter
- Hover: `linear-gradient(180deg in oklch shorter hue, #ed170f 0%, #ce0000 100%)`
- Active: `linear-gradient(180deg in oklch shorter hue, #d70000 0%, #b00000 100%)`

## Tonal ramp

- CSS: `linear-gradient(135deg in oklch shorter hue, #ff8371 0%, #e60000 50%, #920000 100%)`
- Tailwind: `bg-linear-to-br/oklch from-[#ff8371] via-[#e60000] to-[#920000]`
- Contrast (worst point): white 2.40:1 fail · black 2.22:1 fail · banding high
- Maker: https://brandsweets.com/gradients/new/v1.ff8371-e60000-920000?a=135&in=oklch&hue=shorter

## Analogous

Partner hue from the analogous rule at the source colour's lightness.

- CSS: `linear-gradient(135deg in oklab, #e60000 0%, #dc0077 100%)`
- Tailwind: `bg-linear-to-br/oklab from-[#e60000] to-[#dc0077]`
- Contrast (worst point): white 4.79:1 AA · black 4.30:1 AA-large · banding high
- Maker: https://brandsweets.com/gradients/new/v1.e60000-dc0077?a=135

## Complementary

Partner hue from the complementary rule at the source colour's lightness. ΔH 179° > 140° — interpolating in oklch (shorter hue) keeps the midpoint saturated.

- CSS: `linear-gradient(135deg in oklch shorter hue, #e60000 0%, #008a9b 100%)`
- Tailwind: `bg-linear-to-br/oklch from-[#e60000] to-[#008a9b]`
- Contrast (worst point): white 4.09:1 AA-large · black 4.34:1 AA-large · banding medium
- Maker: https://brandsweets.com/gradients/new/v1.e60000-008a9b?a=135&in=oklch&hue=shorter

## Triadic

Partner hue from the triadic rule at the source colour's lightness.

- CSS: `linear-gradient(135deg in oklab, #e60000 0%, #00943f 100%)`
- Tailwind: `bg-linear-to-br/oklab from-[#e60000] to-[#00943f]`
- Contrast (worst point): white 3.94:1 AA-large · black 4.35:1 AA-large · banding medium
- Maker: https://brandsweets.com/gradients/new/v1.e60000-00943f?a=135

## CSS custom properties (brand.css)

```css
:root {
  /* Brand gradient (derived) */
  /* worst-case contrast: white 2.40:1, black 2.22:1 */
  --brand-gradient: linear-gradient(135deg in oklch shorter hue, #ff8371 0%, #e60000 50%, #920000 100%);
  /* hero — worst-case contrast: white 4.57:1 AA, black 1.18:1; ink passes AA at the worst point */
  --brand-gradient-hero: linear-gradient(135deg in oklch shorter hue, #976b63 0%, #703128 50%, #32090f 100%);
  --brand-gradient-hero-ink: #ffffff;
  /* button — worst-case contrast: white 4.96:1 AA, black 3.21:1 AA-large */
  --brand-gradient-button: linear-gradient(180deg in oklch shorter hue, #e20000 0%, #bf0000 100%);
  --brand-gradient-button-hover: linear-gradient(180deg in oklch shorter hue, #ed170f 0%, #ce0000 100%);
  --brand-gradient-button-active: linear-gradient(180deg in oklch shorter hue, #d70000 0%, #b00000 100%);
  --brand-gradient-button-ink: #ffffff;
  /* button ink: 4.4:1 — below AA */
}
```

## Gradient maker

Every maker URL is the gradient's state: `/gradients/new/v1.<hex>-<hex>[_pos]?a=135&in=oklch&hue=shorter&e=soft&g=8`. Hand one to a human, let them refine, and read the link they return.

## Connect an agent

Point any MCP client at the BrandSweets gradients endpoint for the same engine and corpus:

- Endpoint: https://mcp.brandsweets.com/gradients/mcp
- Tools: `make_gradient` (2–5 colours → CSS with the interpolation space, Tailwind v4, SVG, PNG URL, DTCG token + the contrast/banding/gamut report), `brand_gradients` (brand slug or palette → brand gradient, hero, button, variants).
- Resource: `gradients://corpus` — the whole bundled corpus as JSON.