# #ef578a

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

## Values

- Hex: `#ef578a`
- RGB: rgb(239, 87, 138)
- HSL: hsl(340, 83%, 64%)
- OKLCH: oklch(0.671 0.191 3.1)
- Relative luminance: 0.27
- Nearest named color: Flamboyant Flamingo (#f74480, Δ 2.9) — https://brandsweets.com/colors/flamboyant-flamingo
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ef578a

## Tints & shades

- Tints (toward white): #f16594, #f278a1, #f486aa, #f598b7, #f7a6c1, #f8b4cb, #fac7d8, #fbd5e2, #fde8ef, #fef6f8
- Shades (toward black): #ed3b76, #ea1f63, #d71455, #bb114a, #9f0f3f, #830c34, #670a29, #4b071e, #2f0412, #130207

## Harmonies

- Complementary: #57efbd
- Analogous: #ef57d6, #ef7057
- Triadic: #8aef57, #578aef
- Split-complementary: #57ef70, #57d6ef
- Tetradic: #d6ef57, #57efbd, #7057ef

## Colors that go with #ef578a

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 #ef578a: 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 #ef578a 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 #ef578a in 5 real palettes, including Snyk's brand system and Target : Expect More. Pay Less.'s brand system, as the lead colour. Seen in: Snyk (https://brandsweets.com/colors/brands/snyk-io), Target : Expect More. Pay Less. (https://brandsweets.com/colors/brands/target-com), 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 #ef578a: 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 #ef578a: 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 #ef578a in 5 real palettes, including Tequila Sunrise and Night Market, as the accent. Seen in: Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise), Night Market (https://brandsweets.com/palettes/vivid#night-market), 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 #ef578a: 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 #ef578a, 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 → #e5155a (4.58:1); AA: background → #262626 (4.61:1); AAA: text → #ad1044 (7.16:1)
- On black (#000000): 6.4:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f16594 (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/ef578a-c49ca5-62cb75-2d211f-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: "#ef578a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.