# #ef159b

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

## Values

- Hex: `#ef159b`
- RGB: rgb(239, 21, 155)
- HSL: hsl(323, 87%, 51%)
- OKLCH: oklch(0.631 0.255 351.3)
- Relative luminance: 0.2125
- Nearest named color: Fanatic Fuchsia (#ee1199, Δ 0.385) — https://brandsweets.com/colors/fanatic-fuchsia
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ef159b

## Tints & shades

- Tints (toward white): #f02da6, #f240ae, #f358b8, #f570c2, #f788cc, #f89bd4, #fab3de, #fbcbe9, #fddef1, #fef5fb
- Shades (toward black): #db0f8d, #c80e81, #b00c72, #990b62, #860956, #6e0847, #560637, #3e0428, #2b031c, #13010c

## Harmonies

- Complementary: #15ef69
- Analogous: #d515ef, #ef152f
- Triadic: #9bef15, #159bef
- Split-complementary: #2fef15, #15efd5
- Tetradic: #efd515, #15ef69, #152fef

## Colors that go with #ef159b

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Cadet Blue** #5f9ea0 [harmony: complementary] — Cadet Blue sits directly opposite #ef159b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/cadetblue
- **Tomato** #ff6347 [pool] — 3 real palettes, including Night Market and Sunset Boulevard put Tomato beside #ef159b, as the lead colour. Seen in: Night Market (https://brandsweets.com/palettes/vivid#night-market), Sunset Boulevard (https://brandsweets.com/palettes/warm#sunset-boulevard), Airbnb (https://brandsweets.com/colors/brands/airbnb). — https://brandsweets.com/colors/tomato
- **Olive Drab** #6b8e23 [harmony: split] — Olive Drab is a split-complement of #ef159b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/olivedrab
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #ef159b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #ef159b: two real palettes: Maybelline's brand system and Ulta Beauty's brand system, as the accent. Seen in: Maybelline (https://brandsweets.com/colors/brands/maybelline-com), Ulta Beauty (https://brandsweets.com/colors/brands/ulta-com). — https://brandsweets.com/colors/denim
- **Taupe** #483c32 [pool] — Taupe is paired with #ef159b in two real palettes: Airbnb's brand system and Dunkin''s brand system, as the text colour against it. Seen in: Airbnb (https://brandsweets.com/colors/brands/airbnb), Dunkin' (https://brandsweets.com/colors/brands/dunkindonuts-com). — https://brandsweets.com/colors/taupe
- **Yellow** #ffff00 [pool] — Two real palettes: JetBrains's brand system and Arcade put Yellow beside #ef159b, as the accent. Seen in: JetBrains (https://brandsweets.com/colors/brands/jetbrains-com), Arcade (https://brandsweets.com/palettes/vivid#arcade). — https://brandsweets.com/colors/yellow
- **Steel Blue** #4682b4 [harmony: triadic] — Steel Blue completes a triad with #ef159b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/steelblue

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

- On white (#ffffff): 4:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e01090 (4.52:1); AA: background → #141414 (4.61:1); AAA: text → #a70c6b (7.22:1)
- On black (#000000): 5.25:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f45dba (7.12:1)

## Brands using this color

- **JetBrains** — primary #f1049f (Δ 0.928) — https://brandsweets.com/colors/brands/jetbrains-com

## 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/ef159b-c19fb0-6dcb62-2d1f22-f0e9f1?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: "#ef159b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.