# #ff5b1a

A color — warm, vivid, playful, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#ff5b1a`
- RGB: rgb(255, 91, 26)
- HSL: hsl(17, 100%, 55%)
- OKLCH: oklch(0.683 0.211 38.5)
- Relative luminance: 0.2882
- Nearest named color: tomato (#ff6347, Δ 2.967) — https://brandsweets.com/colors/tomato
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ff5b1a

## Tints & shades

- Tints (toward white): #ff692e, #ff7b47, #ff8a5c, #ff9970, #ffab8a, #ffba9e, #ffc8b3, #ffd7c7, #ffe9e0, #fff8f5
- Shades (toward black): #ff4800, #e64100, #cc3a00, #b33300, #992b00, #7a2300, #611b00, #471400, #2e0d00, #140600

## Harmonies

- Complementary: #1abeff
- Analogous: #ff1a4b, #ffcd1a
- Triadic: #1aff5b, #5b1aff
- Split-complementary: #1affcd, #1a4bff
- Tetradic: #4bff1a, #1abeff, #cd1aff

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 3.1:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #d63d00 (4.64:1); AA: background → #2b2b2b (4.56:1); AAA: text → #a32e00 (7.12:1)
- On black (#000000): 6.76:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ff6224 (7.02:1)

## Brands using this color

- **Cloudflare** — secondary #ff5e1f (Δ 0.491) — https://brandsweets.com/colors/brands/cloudflare
- **Intercom** — secondary #ff5600 (Δ 0.895) — https://brandsweets.com/colors/brands/intercom-com
- **Strava** — primary #fc5404 (Δ 1.397) — https://brandsweets.com/colors/brands/strava-com
- **Substack** — primary #fc5404 (Δ 1.397) — https://brandsweets.com/colors/brands/substack-com
- **Readymag** — accent #ff5000 (Δ 1.685) — https://brandsweets.com/colors/brands/readymag-com

## Fonts for this mood

- warm: https://brandsweets.com/fonts/mood/warm
- playful: https://brandsweets.com/fonts/mood/playful
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/ff5b1a-c4ac9c-62cbb6-2d291f-f1e9eb?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#ff5b1a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.