# Hershey's gradient

Gradients derived from Hershey's'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/hersheys-com
- Brand colors: https://brandsweets.com/colors/brands/hersheys-com · Brand page: https://brandsweets.com/b/hersheys-com
- Palette: primary #3f000b, secondary #003594, accents #007bbd
- Source: https://hersheys.com (extracted 2026-09-02)

## Brand gradient

- CSS: `linear-gradient(135deg in oklab, #3f000b 0%, #003594 100%)`
- Tailwind: `bg-linear-to-br/oklab from-[#3f000b] to-[#003594]`
- Contrast (worst point): white 10.84:1 AA · black 1.22:1 fail · banding high
- Maker: https://brandsweets.com/gradients/new/v1.3f000b-003594?a=135

## Hero background

Chroma ×0.35 so it can carry text; ink white (inkFor at the midpoint). Passes AA for that ink at the worst point (10.44:1) without adjusting L.

- CSS: `linear-gradient(135deg in oklab, #2b1718 0%, #2e405e 100%)`
- Tailwind: `bg-linear-to-br/oklab from-[#2b1718] to-[#2e405e]`
- Contrast (worst point): white 10.44:1 AA · black 1.24:1 fail · banding high · ink #ffffff
- Maker: https://brandsweets.com/gradients/new/v1.2b1718-2e405e?a=135

## 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. White ink passes AA on the surface and both states (worst 14.07:1).

- CSS: `linear-gradient(180deg in oklch shorter hue, #4b0b14 0%, #330004 100%)`
- Tailwind: `bg-linear-to-b/oklch from-[#4b0b14] to-[#330004]`
- Contrast (worst point): white 15.47:1 AA · black 1.14:1 fail · banding high · ink #ffffff
- Maker: https://brandsweets.com/gradients/new/v1.4b0b14-330004?a=180&in=oklch&hue=shorter
- Hover: `linear-gradient(180deg in oklch shorter hue, #54141b 0%, #3c0009 100%)`
- Active: `linear-gradient(180deg in oklch shorter hue, #42020d 0%, #280002 100%)`

## Tonal ramp

- CSS: `linear-gradient(135deg in oklch shorter hue, #763337 0%, #3f000b 50%, #040000 100%)`
- Tailwind: `bg-linear-to-br/oklch from-[#763337] via-[#3f000b] to-[#040000]`
- Contrast (worst point): white 9.13:1 AA · black 1.00:1 fail · banding high
- Maker: https://brandsweets.com/gradients/new/v1.763337-3f000b-040000?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, #3f000b 0%, #3b0025 100%)`
- Tailwind: `bg-linear-to-br/oklab from-[#3f000b] to-[#3b0025]`
- Contrast (worst point): white 17.21:1 AA · black 1.21:1 fail · banding high
- Maker: https://brandsweets.com/gradients/new/v1.3f000b-3b0025?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, #3f000b 0%, #002324 100%)`
- Tailwind: `bg-linear-to-br/oklch from-[#3f000b] to-[#002324]`
- Contrast (worst point): white 16.42:1 AA · black 1.21:1 fail · banding high
- Maker: https://brandsweets.com/gradients/new/v1.3f000b-002324?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, #3f000b 0%, #082500 100%)`
- Tailwind: `bg-linear-to-br/oklab from-[#3f000b] to-[#082500]`
- Contrast (worst point): white 16.42:1 AA · black 1.21:1 fail · banding high
- Maker: https://brandsweets.com/gradients/new/v1.3f000b-082500?a=135

## CSS custom properties (brand.css)

```css
:root {
  /* Brand gradient (derived) */
  /* worst-case contrast: white 10.84:1 AA, black 1.22:1 */
  --brand-gradient: linear-gradient(135deg in oklab, #3f000b 0%, #003594 100%);
  /* hero — worst-case contrast: white 10.44:1 AA, black 1.24:1; ink passes AA at the worst point */
  --brand-gradient-hero: linear-gradient(135deg in oklab, #2b1718 0%, #2e405e 100%);
  --brand-gradient-hero-ink: #ffffff;
  /* button — worst-case contrast: white 15.47:1 AA, black 1.14:1 */
  --brand-gradient-button: linear-gradient(180deg in oklch shorter hue, #4b0b14 0%, #330004 100%);
  --brand-gradient-button-hover: linear-gradient(180deg in oklch shorter hue, #54141b 0%, #3c0009 100%);
  --brand-gradient-button-active: linear-gradient(180deg in oklch shorter hue, #42020d 0%, #280002 100%);
  --brand-gradient-button-ink: #ffffff;
}
```

## 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.