# #ef1f99

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

## Values

- Hex: `#ef1f99`
- RGB: rgb(239, 31, 153)
- HSL: hsl(325, 87%, 53%)
- OKLCH: oklch(0.633 0.249 352.2)
- Relative luminance: 0.2163
- Nearest named color: Fanatic Fuchsia (#ee1199, Δ 0.876) — https://brandsweets.com/colors/fanatic-fuchsia
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/ef1f99

## Tints & shades

- Tints (toward white): #f137a3, #f24aac, #f462b7, #f575c0, #f78dcb, #f8a0d3, #fab7de, #fbcbe7, #fde2f2, #fef5fb
- Shades (toward black): #e5108c, #cd0e7e, #b50d6f, #9d0b60, #8a0a55, #720846, #5b0637, #430529, #2b031a, #13010c

## Harmonies

- Complementary: #1fef76
- Analogous: #de1fef, #ef1f30
- Triadic: #99ef1f, #1f99ef
- Split-complementary: #30ef1f, #1fefde
- Tetradic: #efde1f, #1fef76, #1f30ef

## Colors that go with #ef1f99

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 #ef1f99 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 #ef1f99, 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 #ef1f99: 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 #ef1f99: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #ef1f99 in two real palettes: The Ordinary's brand system and Snyk's brand system, as the supporting colour. Seen in: The Ordinary (https://brandsweets.com/colors/brands/theordinary-com), Snyk (https://brandsweets.com/colors/brands/snyk-io). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #ef1f99: 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
- **Gold** #ffd700 [pool] — Gold shows up next to #ef1f99 in two real palettes: Night Market and Tabloid, as the accent. Seen in: Night Market (https://brandsweets.com/palettes/vivid#night-market), Tabloid (https://brandsweets.com/palettes/editorial#tabloid). — https://brandsweets.com/colors/gold
- **Taupe** #483c32 [pool] — Taupe is paired with #ef1f99 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

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

- On white (#ffffff): 3.94:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #e01089 (4.56:1); AA: background → #171717 (4.55:1); AAA: text → #a70c66 (7.27:1)
- On black (#000000): 5.33:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f45db5 (7.08:1)

## Brands using this color

- **JetBrains** — primary #f1049f (Δ 1.612) — 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/ef1f99-c19faf-69cb62-2d1f21-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: "#ef1f99" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.