# #f51971

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

## Values

- Hex: `#f51971`
- RGB: rgb(245, 25, 113)
- HSL: hsl(336, 92%, 53%)
- OKLCH: oklch(0.629 0.243 6.4)
- Relative luminance: 0.213
- Nearest named color: Borderline Pink (#ee1166, Δ 2.037) — https://brandsweets.com/colors/borderline-pink
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/f51971

## Tints & shades

- Tints (toward white): #f63180, #f7458c, #f85d9b, #f971a7, #fa89b7, #fb9dc3, #fcb6d2, #fdc9de, #fee2ed, #fff5f9
- Shades (toward black): #eb0a64, #d30959, #ba084f, #a20745, #8e063c, #760532, #5d0428, #45031d, #2c0213, #140108

## Harmonies

- Complementary: #19f59d
- Analogous: #f519df, #f52f19
- Triadic: #71f519, #1971f5
- Split-complementary: #19f52f, #19dff5
- Tetradic: #dff519, #19f59d, #2f19f5

## Colors that go with #f51971

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 #f51971: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Audi (https://brandsweets.com/colors/brands/audi-com), Logitech (https://brandsweets.com/colors/brands/logitech-com), Codecademy (https://brandsweets.com/colors/brands/codecademy-com). — https://brandsweets.com/colors/charcoal
- **Cadet Blue** #5f9ea0 [harmony, pool: complementary] — Cadet Blue sits directly opposite #f51971 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/cadetblue
- **Blue** #0000ff [pool] — 7 real palettes, including Dunkin''s brand system and native Cybersecurity's brand system put Blue beside #f51971, as the supporting colour. Seen in: Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com), native Cybersecurity (https://brandsweets.com/colors/brands/crowdstrike-com), Gap (https://brandsweets.com/colors/brands/gap-com), Monzo (https://brandsweets.com/colors/brands/monzo-com). — https://brandsweets.com/colors/blue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #f51971: 11 real palettes, including Maybelline's brand system and ElevenLabs's brand system, as the accent. Seen in: Maybelline (https://brandsweets.com/colors/brands/maybelline-com), ElevenLabs (https://brandsweets.com/colors/brands/elevenlabs-io), Costco (https://brandsweets.com/colors/brands/costco-com), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [harmony, pool: triadic] — Dodger Blue completes a triad with #f51971 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: JetBrains (https://brandsweets.com/colors/brands/jetbrains-com), Google (https://brandsweets.com/colors/brands/google-com), Databricks (https://brandsweets.com/colors/brands/databricks-com). — https://brandsweets.com/colors/dodgerblue
- **Firebrick** #b22222 [pool] — Designers have shipped Firebrick with #f51971: 5 real palettes, including Wendy's's brand system and 3M's brand system, as the supporting colour. Seen in: Wendy's (https://brandsweets.com/colors/brands/wendys-com), 3M (https://brandsweets.com/colors/brands/3m-com), Nintendo (https://brandsweets.com/colors/brands/nintendo-com), Vodafone (https://brandsweets.com/colors/brands/vodafone-com). — https://brandsweets.com/colors/firebrick
- **Gold** #ffd700 [pool] — Gold shows up next to #f51971 in 7 real palettes, including Tabloid and Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom's brand system, as the accent. Seen in: Tabloid (https://brandsweets.com/palettes/editorial#tabloid), Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom (https://brandsweets.com/colors/brands/phantom-com), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise), Night Market (https://brandsweets.com/palettes/vivid#night-market). — https://brandsweets.com/colors/gold
- **Medium Sea Green** #3cb371 [harmony, pool: split] — Medium Sea Green is a split-complement of #f51971: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Heineken (https://brandsweets.com/colors/brands/heineken-com), Sourcegraph (https://brandsweets.com/colors/brands/sourcegraph-com). — https://brandsweets.com/colors/mediumseagreen

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

- On white (#ffffff): 3.99:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e60a62 (4.58:1); AA: background → #141414 (4.61:1); AAA: text → #b0074b (7.05:1)
- On black (#000000): 5.26:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f85d9b (7.03:1)

## 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/f51971-c49ca7-62cb6e-2d201f-f1e9f0?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: "#f51971" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.