# #f3129c

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

## Values

- Hex: `#f3129c`
- RGB: rgb(243, 18, 156)
- HSL: hsl(323, 90%, 51%)
- OKLCH: oklch(0.637 0.259 351.7)
- Relative luminance: 0.2189
- Nearest named color: Fanatic Fuchsia (#ee1199, Δ 1.061) — https://brandsweets.com/colors/fanatic-fuchsia
- Moods: warm, vivid, playful, bold
- Page: https://brandsweets.com/colors/f3129c

## Tints & shades

- Tints (toward white): #f42aa6, #f53dae, #f655b8, #f76ec3, #f986cd, #fa99d5, #fbb1df, #fccae9, #fdddf1, #fef5fb
- Shades (toward black): #df0c8e, #cb0b82, #b30972, #9b0863, #880756, #6f0647, #570538, #3f0328, #2c021c, #13010c

## Harmonies

- Complementary: #12f368
- Analogous: #d812f3, #f3122c
- Triadic: #9cf312, #129cf3
- Split-complementary: #2cf312, #12f3d8
- Tetradic: #f3d812, #12f368, #122cf3

## Colors that go with #f3129c

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

- **Light Sea Green** #20b2aa [harmony: complementary] — Light Sea Green sits directly opposite #f3129c 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/lightseagreen
- **Tomato** #ff6347 [pool] — 3 real palettes, including Night Market and Sunset Boulevard put Tomato beside #f3129c, 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
- **Cadet Blue** #5f9ea0 [harmony: split] — Cadet Blue is a split-complement of #f3129c: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/cadetblue
- **Medium Sea Green** #3cb371 [harmony: split] — Medium Sea Green is a split-complement of #f3129c: 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 #f3129c: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal
- **Yellow** #ffff00 [pool] — Two real palettes: JetBrains's brand system and Arcade put Yellow beside #f3129c, 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
- **Olive Drab** #6b8e23 [harmony: triadic] — Olive Drab completes a triad with #f3129c — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. — https://brandsweets.com/colors/olivedrab
- **Steel Blue** #4682b4 [harmony: triadic] — Steel Blue completes a triad with #f3129c — 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): 3.91:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #df0c8e (4.58:1); AA: background → #171717 (4.59:1); AAA: text → #aa096c (7.08:1)
- On black (#000000): 5.38:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #f65abb (7.1:1)

## Brands using this color

- **JetBrains** — primary #f1049f (Δ 0.947) — 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/f3129c-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: "#f3129c" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.