# #f31299

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

## Values

- Hex: `#f31299`
- RGB: rgb(243, 18, 153)
- HSL: hsl(324, 90%, 51%)
- OKLCH: oklch(0.636 0.257 352.7)
- Relative luminance: 0.2179
- Nearest named color: Fanatic Fuchsia (#ee1199, Δ 1.027) — https://brandsweets.com/colors/fanatic-fuchsia
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/f31299

## Tints & shades

- Tints (toward white): #f42aa3, #f53dab, #f655b6, #f76ec0, #f986cb, #fa99d3, #fbb1de, #fccae8, #fdddf0, #fef5fb
- Shades (toward black): #df0c8a, #cb0b7e, #b3096f, #9b0860, #880754, #6f0645, #570536, #3f0327, #2c021b, #13010c

## Harmonies

- Complementary: #12f36c
- Analogous: #dc12f3, #f31228
- Triadic: #99f312, #1299f3
- Split-complementary: #28f312, #12f3dc
- Tetradic: #f3dc12, #12f36c, #1228f3

## Colors that go with #f31299

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 #f31299 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 #f31299, 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
- **Medium Sea Green** #3cb371 [harmony: split] — Medium Sea Green is a split-complement of #f31299: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/mediumseagreen
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #f31299: 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 #f31299: 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 #f31299 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 #f31299 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 #f31299, 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

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

- On white (#ffffff): 3.92:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #df0c8a (4.61:1); AA: background → #171717 (4.57:1); AAA: text → #aa0969 (7.11:1)
- On black (#000000): 5.36:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f65ab8 (7.07:1)

## Brands using this color

- **JetBrains** — primary #f1049f (Δ 1.304) — 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/f31299-c19faf-6bcb62-2d1f22-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: "#f31299" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.