# #ff5781

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

## Values

- Hex: `#ff5781`
- RGB: rgb(255, 87, 129)
- HSL: hsl(345, 100%, 67%)
- OKLCH: oklch(0.693 0.204 9.2)
- Relative luminance: 0.2966
- Nearest named color: Brink Pink (#fb607f, Δ 1.687) — https://brandsweets.com/colors/brink-pink
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ff5781

## Tints & shades

- Tints (toward white): #ff668c, #ff7598, #ff85a3, #ff94af, #ffa8be, #ffb8c9, #ffc7d5, #ffd6e0, #ffe5ec, #fff5f7
- Shades (toward black): #ff386a, #ff144f, #f5003d, #d60036, #b8002e, #940025, #75001d, #570016, #33000d, #140005

## Harmonies

- Complementary: #57ffd5
- Analogous: #ff57d5, #ff8157
- Triadic: #81ff57, #5781ff
- Split-complementary: #57ff81, #57d5ff
- Tetradic: #d5ff57, #57ffd5, #8157ff

## Colors that go with #ff5781

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 #ff5781: 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), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/charcoal
- **Medium Sea Green** #3cb371 [harmony, pool: split] — Medium Sea Green is a split-complement of #ff5781: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Heineken (https://brandsweets.com/colors/brands/heineken-com), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Sourcegraph (https://brandsweets.com/colors/brands/sourcegraph-com). — https://brandsweets.com/colors/mediumseagreen
- **Light Sea Green** #20b2aa [harmony, pool: complementary] — Light Sea Green sits directly opposite #ff5781 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 #ff5781 in 4 real palettes, including Beach Hut and Google's brand system, as the supporting colour. Seen in: Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Google (https://brandsweets.com/colors/brands/google-com), Ember (https://brandsweets.com/palettes/bold#ember), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 7 real palettes, including Monzo's brand system and Doordash's brand system put Blue beside #ff5781, as the accent. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), Readymag (https://brandsweets.com/colors/brands/readymag-com), Glossier (https://brandsweets.com/colors/brands/glossier-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #ff5781 in 5 real palettes, including Target : Expect More. Pay Less.'s brand system and Snyk's brand system, as the lead colour. Seen in: Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), Snyk (https://brandsweets.com/colors/brands/snyk-io), Wise (https://brandsweets.com/colors/brands/wise-com), Redfin (https://brandsweets.com/colors/brands/redfin-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #ff5781: 10 real palettes, including Target : Expect More. Pay Less.'s brand system and Maybelline's brand system, as the accent. Seen in: Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), Maybelline (https://brandsweets.com/colors/brands/maybelline-com), ElevenLabs (https://brandsweets.com/colors/brands/elevenlabs-io), Postman (https://brandsweets.com/colors/brands/postman-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #ff5781: 7 real palettes, including Google's brand system and Databricks's brand system, as the lead colour. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Databricks (https://brandsweets.com/colors/brands/databricks-com), Figma (https://brandsweets.com/colors/brands/figma), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/dodgerblue

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

- On white (#ffffff): 3.03:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #eb003b (4.57:1); AA: background → #2b2b2b (4.67:1); AAA: text → #b3002d (7.11:1)
- On black (#000000): 6.93:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #ff5c85 (7.12:1)

## 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/ff5781-c49ca1-62cb7e-2d221f-f1e9ef?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: "#ff5781" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.