# #ef578c

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

## Values

- Hex: `#ef578c`
- RGB: rgb(239, 87, 140)
- HSL: hsl(339, 83%, 64%)
- OKLCH: oklch(0.672 0.191 2.2)
- Relative luminance: 0.2706
- Nearest named color: Flamboyant Flamingo (#f74480, Δ 2.968) — https://brandsweets.com/colors/flamboyant-flamingo
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ef578c

## Tints & shades

- Tints (toward white): #f16596, #f278a3, #f486ac, #f598b9, #f7a6c2, #f8b4cc, #fac7d9, #fbd5e2, #fde8ef, #fef6f9
- Shades (toward black): #ed3b79, #ea1f66, #d71458, #bb114d, #9f0f41, #830c36, #670a2a, #4b071f, #2f0413, #130208

## Harmonies

- Complementary: #57efba
- Analogous: #ef57d9, #ef6e57
- Triadic: #8cef57, #578cef
- Split-complementary: #57ef6e, #57d9ef
- Tetradic: #d9ef57, #57efba, #6e57ef

## Colors that go with #ef578c

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 #ef578c: 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), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/charcoal
- **Light Sea Green** #20b2aa [harmony, pool: complementary] — Light Sea Green sits directly opposite #ef578c 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
- **Crimson** #dc143c [pool] — Crimson is paired with #ef578c 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), 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 #ef578c: 4 real palettes, including Maybelline's brand system and Target : Expect More. Pay Less.'s brand system, as the accent. Seen in: Maybelline (https://brandsweets.com/colors/brands/maybelline-com), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), ElevenLabs (https://brandsweets.com/colors/brands/elevenlabs-io), Costco (https://brandsweets.com/colors/brands/costco-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #ef578c: 4 real palettes, including JetBrains's brand system and Google's brand system, as the supporting colour. 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), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/dodgerblue
- **Gold** #ffd700 [pool] — Gold shows up next to #ef578c in 5 real palettes, including Night Market and Tequila Sunrise, as the accent. Seen in: Night Market (https://brandsweets.com/palettes/vivid#night-market), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise), Streetwear (https://brandsweets.com/palettes/bold#streetwear), Tabloid (https://brandsweets.com/palettes/editorial#tabloid). — https://brandsweets.com/colors/gold
- **Medium Sea Green** #3cb371 [harmony, pool: split] — Medium Sea Green is a split-complement of #ef578c: 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). — https://brandsweets.com/colors/mediumseagreen
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Lido and Crayon Box put Mustard Yellow beside #ef578c, as the accent. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Diner (https://brandsweets.com/palettes/vivid#diner), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/mustard

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

- On white (#ffffff): 3.28:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e5155e (4.56:1); AA: background → #262626 (4.62:1); AAA: text → #ad1047 (7.14:1)
- On black (#000000): 6.41:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f16596 (7.04:1)

## 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/ef578c-c49ca5-62cb74-2d211f-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: "#ef578c" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.