# Sienna to Royal Blue gradient

Sienna (#a0522d) to Royal Blue (#4169e1), interpolated perceptually. The engine's pick for this pair is oklab.

- Page: https://brandsweets.com/gradients/sienna-to-royalblue
- Colors: https://brandsweets.com/colors/sienna, https://brandsweets.com/colors/royalblue
- Reverse: https://brandsweets.com/gradients/royalblue-to-sienna

## OKLab

- CSS: `linear-gradient(135deg in oklab, #a0522d 0%, #4169e1 100%)`
- Tailwind: `bg-linear-to-br/oklab from-[#a0522d] to-[#4169e1]`
- Contrast (worst point): white 4.84:1 AA · black 3.74:1 AA-large · banding medium
- Maker: https://brandsweets.com/gradients/new/v1.a0522d-4169e1?a=135

## OKLCH (shorter hue)

- CSS: `linear-gradient(135deg in oklch shorter hue, #a0522d 0%, #4169e1 100%)`
- Tailwind: `bg-linear-to-br/oklch from-[#a0522d] to-[#4169e1]`
- Contrast (worst point): white 4.83:1 AA · black 3.72:1 AA-large · banding medium
- Maker: https://brandsweets.com/gradients/new/v1.a0522d-4169e1?a=135&in=oklch&hue=shorter

## Eased (soft)

- CSS: `linear-gradient(135deg in oklab, #a0522d 0%, #9f5331 8.28%, #9c553b 16.03%, #975949 23.35%, #915d59 30.32%, #89606b 37.03%, #80647c 43.56%, #77678f 50%, #6d69a0 56.44%, #636ab1 62.97%, #596ac0 69.68%, #506ace 76.65%, #486ad8 83.97%, #4369df 91.72%, #4169e1 100%)`
- Tailwind: `bg-[linear-gradient(135deg_in_oklab,#a0522d_0%,#9f5331_8.28%,#9c553b_16.03%,#975949_23.35%,#915d59_30.32%,#89606b_37.03%,#80647c_43.56%,#77678f_50%,#6d69a0_56.44%,#636ab1_62.97%,#596ac0_69.68%,#506ace_76.65%,#486ad8_83.97%,#4369df_91.72%,#4169e1_100%)]`
- Contrast (worst point): white 4.84:1 AA · black 3.74:1 AA-large · banding medium
- Maker: https://brandsweets.com/gradients/new/v1.a0522d-4169e1?a=135&e=soft&n=15

## Mesh

- CSS: `radial-gradient(circle farthest-corner at 14.83% 14.14%, oklch(from #4169e1 l c h / 0.8065) 0%, rgb(from #4169e1 r g b / 0) 46.67%), radial-gradient(circle farthest-corner at 97.31% 45.75%, oklch(from #a0522d l c h / 0.7928) 0%, rgb(from #a0522d r g b / 0) 53.05%)`
- Tailwind: `bg-[radial-gradient(circle_farthest-corner_at_14.83%_14.14%,oklch(from_#4169e1_l_c_h_/_0.8065)_0%,rgb(from_#4169e1_r_g_b_/_0)_46.67%),radial-gradient(circle_farthest-corner_at_97.31%_45.75%,oklch(from_#a0522d_l_c_h_/_0.7928)_0%,rgb(from_#a0522d_r_g_b_/_0)_53.05%)]`
- Contrast (worst point): white 4.95:1 AA · black 3.91:1 AA-large · banding high
- Maker: https://brandsweets.com/gradients/new/v1.a0522d-4169e1?k=mesh&seed=sienna-to-royalblue

## 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.