# #ef577d

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

## Values

- Hex: `#ef577d`
- RGB: rgb(239, 87, 125)
- HSL: hsl(345, 83%, 64%)
- OKLCH: oklch(0.668 0.188 8.6)
- Relative luminance: 0.2665
- Nearest named color: Brink Pink (#fb607f, Δ 3.036) — https://brandsweets.com/colors/brink-pink
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ef577d

## Tints & shades

- Tints (toward white): #f16588, #f27896, #f486a1, #f598b0, #f7a6ba, #f8b4c5, #fac7d4, #fbd5df, #fde8ed, #fef6f8
- Shades (toward black): #ed3b67, #ea1f52, #d71445, #bb113c, #9f0f33, #830c2a, #670a21, #4b0718, #2f040f, #130206

## Harmonies

- Complementary: #57efc9
- Analogous: #ef57c9, #ef7d57
- Triadic: #7def57, #577def
- Split-complementary: #57ef7d, #57c9ef
- Tetradic: #c9ef57, #57efc9, #7d57ef

## Colors that go with #ef577d

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 #ef577d: 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), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), 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 #ef577d: 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), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Sourcegraph (https://brandsweets.com/colors/brands/sourcegraph-com), Heineken (https://brandsweets.com/colors/brands/heineken-com). — https://brandsweets.com/colors/mediumseagreen
- **Light Sea Green** #20b2aa [harmony, pool: complementary] — Light Sea Green sits directly opposite #ef577d 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 #ef577d in 4 real palettes, including Google's brand system and Beach Hut, as the accent. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Ember (https://brandsweets.com/palettes/bold#ember), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 8 real palettes, including Monzo's brand system and Doordash's brand system put Blue beside #ef577d, as the accent. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), Glossier (https://brandsweets.com/colors/brands/glossier-com), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #ef577d: 4 real palettes, including Cobalt Pop and NASA's brand system, as the lead colour. Seen in: Cobalt Pop (https://brandsweets.com/palettes/bold#cobalt-pop), NASA (https://brandsweets.com/colors/brands/nasa-gov), Walgreens (https://brandsweets.com/colors/brands/walgreens-com), Tide (https://brandsweets.com/colors/brands/tide-com). — https://brandsweets.com/colors/cobalt
- **Crimson** #dc143c [pool] — Crimson is paired with #ef577d in 7 real palettes, including Snyk's brand system and Redfin's brand system, as the lead colour. Seen in: Snyk (https://brandsweets.com/colors/brands/snyk-io), Redfin (https://brandsweets.com/colors/brands/redfin-com), Wise (https://brandsweets.com/colors/brands/wise-com), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #ef577d: 11 real palettes, including Target : Expect More. Pay Less.'s brand system and ElevenLabs's brand system, as the accent. Seen in: Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), ElevenLabs (https://brandsweets.com/colors/brands/elevenlabs-io), Maybelline (https://brandsweets.com/colors/brands/maybelline-com), Costco (https://brandsweets.com/colors/brands/costco-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 3.32:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e51549 (4.63:1); AA: background → #262626 (4.56:1); AAA: text → #ad1037 (7.23:1)
- On black (#000000): 6.33:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f16a8c (7.18:1)

## 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/ef577d-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: "#ef577d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.