# #ef5770

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

## Values

- Hex: `#ef5770`
- RGB: rgb(239, 87, 112)
- HSL: hsl(350, 83%, 64%)
- OKLCH: oklch(0.664 0.187 14)
- Relative luminance: 0.2634
- Nearest named color: Aphrodisiac (#e35a63, Δ 2.899) — https://brandsweets.com/colors/aphrodisiac
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ef5770

## Tints & shades

- Tints (toward white): #f1657c, #f2788c, #f48698, #f598a8, #f7a6b4, #f8b4c0, #fac7cf, #fbd5db, #fde8eb, #fef6f7
- Shades (toward black): #ed3b59, #ea1f41, #d71434, #bb112e, #9f0f27, #830c20, #670a19, #4b0712, #2f040b, #130205

## Harmonies

- Complementary: #57efd6
- Analogous: #ef57bd, #ef8a57
- Triadic: #70ef57, #5770ef
- Split-complementary: #57ef8a, #57bdef
- Tetradic: #bdef57, #57efd6, #8a57ef

## Colors that go with #ef5770

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 #ef5770: 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 #ef5770: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Sourcegraph (https://brandsweets.com/colors/brands/sourcegraph-com), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Heineken (https://brandsweets.com/colors/brands/heineken-com), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/mediumseagreen
- **Cadet Blue** #5f9ea0 [harmony, pool: complementary] — Cadet Blue sits directly opposite #ef5770 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), Alpine (https://brandsweets.com/palettes/cool#alpine). — https://brandsweets.com/colors/cadetblue
- **Amber** #ffbf00 [pool] — Amber is paired with #ef5770 in 7 real palettes, including Google's brand system and Ember, as the accent. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Ember (https://brandsweets.com/palettes/bold#ember), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/amber
- **Blue** #0000ff [pool] — 8 real palettes, including Monzo's brand system and Glossier's brand system put Blue beside #ef5770, as the accent. Seen in: Monzo (https://brandsweets.com/colors/brands/monzo-com), Glossier (https://brandsweets.com/colors/brands/glossier-com), Doordash (https://brandsweets.com/colors/brands/doordash-com), Readymag (https://brandsweets.com/colors/brands/readymag-com). — https://brandsweets.com/colors/blue
- **Cobalt Blue** #0047ab [pool] — Designers have shipped Cobalt Blue with #ef5770: 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), Tide (https://brandsweets.com/colors/brands/tide-com), Walgreens (https://brandsweets.com/colors/brands/walgreens-com). — https://brandsweets.com/colors/cobalt
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #ef5770 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Roblox (https://brandsweets.com/colors/brands/roblox-com), Terminal (https://brandsweets.com/palettes/technical#terminal), JBL (https://brandsweets.com/colors/brands/jbl-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #ef5770 in 8 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), Pizza Hut (https://brandsweets.com/colors/brands/pizzahut-com). — https://brandsweets.com/colors/crimson

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

- On white (#ffffff): 3.35:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e91639 (4.53:1); AA: background → #262626 (4.52:1); AAA: text → #b1102b (7.05:1)
- On black (#000000): 6.27:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f16a80 (7.11:1)

## 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/ef5770-c49c9e-62cb87-2d231f-f1e9ee?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: "#ef5770" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.