# #fb5b50

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

## Values

- Hex: `#fb5b50`
- RGB: rgb(251, 91, 80)
- HSL: hsl(4, 96%, 65%)
- OKLCH: oklch(0.682 0.197 27.5)
- Relative luminance: 0.2857
- Nearest named color: tomato (#ff6347, Δ 2.212) — https://brandsweets.com/colors/tomato
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/fb5b50

## Tints & shades

- Tints (toward white): #fc6a5f, #fc7c73, #fc8a82, #fd9891, #fdaba5, #fdb9b4, #fec7c3, #fed5d2, #fee8e6, #fff6f5
- Shades (toward black): #fb3f32, #fa2314, #eb1405, #cd1204, #af0f04, #8c0c03, #6e0902, #500702, #320401, #140200

## Harmonies

- Complementary: #50f0fb
- Analogous: #fb509a, #fbb150
- Triadic: #50fb5b, #5b50fb
- Split-complementary: #50fbb1, #509afb
- Tetradic: #9afb50, #50f0fb, #b150fb

## Colors that go with #fb5b50

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #fb5b50: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Lido (https://brandsweets.com/palettes/vivid#lido), Harbour (https://brandsweets.com/palettes/cool#harbour), Audi (https://brandsweets.com/colors/brands/audi-com). — https://brandsweets.com/colors/charcoal
- **Light Sea Green** #20b2aa [harmony, pool: complementary] — Light Sea Green sits directly opposite #fb5b50 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/lightseagreen
- **Amber** #ffbf00 [pool] — Amber is paired with #fb5b50 in 7 real palettes, including Ember and Heatwave, as the accent. Seen in: Ember (https://brandsweets.com/palettes/bold#ember), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Google (https://brandsweets.com/colors/brands/google-com), Maple (https://brandsweets.com/palettes/warm#maple). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 7 real palettes, including Monzo's brand system and Readymag's brand system put Blue beside #fb5b50, as the accent. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Glossier (https://brandsweets.com/colors/brands/glossier-com), Doordash (https://brandsweets.com/colors/brands/doordash-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #fb5b50: 4 real palettes, including Alpine and Diner, as the supporting colour. Seen in: Alpine (https://brandsweets.com/palettes/cool#alpine), Diner (https://brandsweets.com/palettes/vivid#diner), Dusk (https://brandsweets.com/palettes/cool#dusk), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine). — https://brandsweets.com/colors/cadetblue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #fb5b50: 4 real palettes, including NASA's brand system and Tide's brand system, as the lead colour. Seen in: NASA (https://brandsweets.com/colors/brands/nasa-gov), Tide (https://brandsweets.com/colors/brands/tide-com), Cobalt Pop (https://brandsweets.com/palettes/bold#cobalt-pop), Walgreens (https://brandsweets.com/colors/brands/walgreens-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #fb5b50 in 9 real palettes, including Snyk's brand system and Pizza Hut's brand system, as the lead colour. Seen in: Snyk (https://brandsweets.com/colors/brands/snyk-io), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com), Redfin (https://brandsweets.com/colors/brands/redfin-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #fb5b50: 14 real palettes, including Strava's brand system and Soundcloud's brand system, as the accent. Seen in: Strava (https://brandsweets.com/colors/brands/strava-com), Soundcloud (https://brandsweets.com/colors/brands/soundcloud-com), PlanetScale (https://brandsweets.com/colors/brands/planetscale-com), Postman (https://brandsweets.com/colors/brands/postman-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 3.13:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #eb1405 (4.53:1); AA: background → #2b2b2b (4.53:1); AAA: text → #af0f04 (7.26:1)
- On black (#000000): 6.71:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #fc655a (7.15:1)

## Brands using this color

- **Airbnb** — primary #ff5a5f (Δ 1.935) — https://brandsweets.com/colors/brands/airbnb

## Curated palettes containing it

- **Crayon Box** (playful, vivid, friendly) — #ff5e5b, #00cecb, #ffed66, #ffffff, #222222 — Red, teal and yellow at crayon saturation — joyful, but on white with black type so it stays readable for grown-ups. — tool: https://brandsweets.com/palettes/new/ff5e5b-00cecb-ffed66-ffffff-222222 — collection: https://brandsweets.com/palettes/playful
- **Golden Hour** (sunset, warm, vivid, light) — #f4a259, #f25f5c, #5b3758, #fff7ec, #2b1a2b — Apricot into coral into plum — a sunset flattened to three tokens, with the plum doubling as the twilight text colour. — tool: https://brandsweets.com/palettes/new/f4a259-f25f5c-5b3758-fff7ec-2b1a2b — collection: https://brandsweets.com/palettes/sunset

## 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/fb5b50-c4a39c-62cb9f-2d261f-f1e9ed?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: "#fb5b50" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.