# #fb5666

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

## Values

- Hex: `#fb5666`
- RGB: rgb(251, 86, 102)
- HSL: hsl(354, 95%, 66%)
- OKLCH: oklch(0.68 0.2 18.7)
- Relative luminance: 0.2812
- Nearest named color: Blood Burst (#ff474c, Δ 3.074) — https://brandsweets.com/colors/blood-burst
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/fb5666

## Tints & shades

- Tints (toward white): #fb6574, #fb7481, #fc8893, #fc97a1, #fda5ae, #fdb4bc, #fdc3c9, #fed7db, #fee6e9, #fff5f6
- Shades (toward black): #fa384b, #f91a31, #ea061d, #cc0519, #ae0415, #900412, #72030e, #50020a, #320106, #140102

## Harmonies

- Complementary: #56fbea
- Analogous: #fb56b9, #fb9856
- Triadic: #66fb56, #5666fb
- Split-complementary: #56fb98, #56b9fb
- Tetradic: #b9fb56, #56fbea, #9856fb

## Colors that go with #fb5666

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 #fb5666: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido), Audi (https://brandsweets.com/colors/brands/audi-com), Tumblr (https://brandsweets.com/colors/brands/tumblr-com), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/charcoal
- **Medium Sea Green** #3cb371 [harmony, pool: split] — Medium Sea Green is a split-complement of #fb5666: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Heineken (https://brandsweets.com/colors/brands/heineken-com), Sourcegraph (https://brandsweets.com/colors/brands/sourcegraph-com), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/mediumseagreen
- **Light Sea Green** #20b2aa [harmony, pool: complementary] — Light Sea Green sits directly opposite #fb5666 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 #fb5666 in 7 real palettes, including Google's brand system and Ember, as the accent. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Ember (https://brandsweets.com/palettes/bold#ember), Heatwave (https://brandsweets.com/palettes/warm#heatwave), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 7 real palettes, including Monzo's brand system and Readymag's brand system put Blue beside #fb5666, 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
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #fb5666: 4 real palettes, including NASA's brand system and Cobalt Pop, as the lead colour. Seen in: NASA (https://brandsweets.com/colors/brands/nasa-gov), Cobalt Pop (https://brandsweets.com/palettes/bold#cobalt-pop), Tide (https://brandsweets.com/colors/brands/tide-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #fb5666 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Roblox (https://brandsweets.com/colors/brands/roblox-com), JBL (https://brandsweets.com/colors/brands/jbl-com), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #fb5666 in 7 real palettes, including Snyk's brand system and Wise's brand system, as the lead colour. Seen in: Snyk (https://brandsweets.com/colors/brands/snyk-io), Wise (https://brandsweets.com/colors/brands/wise-com), Redfin (https://brandsweets.com/colors/brands/redfin-com), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com). — https://brandsweets.com/colors/crimson

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

- On white (#ffffff): 3.17:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #ea061d (4.62:1); AA: background → #292929 (4.59:1); AAA: text → #b30516 (7.12:1)
- On black (#000000): 6.62:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #fb606f (7:1)

## Brands using this color

- **Airbnb** — primary #ff5a5f (Δ 1.58) — https://brandsweets.com/colors/brands/airbnb

## 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/fb5666-c49d9c-62cb8e-2d241f-f1e9ee?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: "#fb5666" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.