# #f381b4

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

## Values

- Hex: `#f381b4`
- RGB: rgb(243, 129, 180)
- HSL: hsl(333, 83%, 73%)
- OKLCH: oklch(0.744 0.15 353.2)
- Relative luminance: 0.3805
- Nearest named color: Bubblegum Beam (#f887c7, Δ 2.858) — https://brandsweets.com/colors/bubblegum-beam
- Moods: warm, vivid, light, playful, bold, friendly, clean
- Page: https://brandsweets.com/colors/f381b4

## Tints & shades

- Tints (toward white): #f58fbd, #f598c2, #f7a6cb, #f8b0d0, #f9bed8, #fac7de, #fbd5e6, #fcdeec, #fdecf4, #fef6f9
- Shades (toward black): #f060a1, #ed408e, #ea1f7a, #d21469, #b6115b, #950e4b, #750b3a, #54082a, #33051a, #130209

## Harmonies

- Complementary: #81f3c0
- Analogous: #f381ee, #f38781
- Triadic: #b4f381, #81b4f3
- Split-complementary: #81f387, #81eef3
- Tetradic: #eef381, #81f3c0, #8781f3

## Colors that go with #f381b4

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 #f381b4: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Mercury (https://brandsweets.com/colors/brands/mercury-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut), Lido (https://brandsweets.com/palettes/vivid#lido), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Taupe** #483c32 [pool] — Taupe is paired with #f381b4 in 11 real palettes, including Meadow and Blossom, as the text colour against it. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow), Blossom (https://brandsweets.com/palettes/light#blossom), Macaron (https://brandsweets.com/palettes/light#macaron), Nursery (https://brandsweets.com/palettes/light#nursery). — https://brandsweets.com/colors/taupe
- **Medium Aquamarine** #66cdaa [harmony: complementary] — Medium Aquamarine sits directly opposite #f381b4 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/mediumaquamarine
- **Dark Turquoise** #00ced1 [harmony, pool: split] — Dark Turquoise is a split-complement of #f381b4: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box). — https://brandsweets.com/colors/darkturquoise
- **Light Sky Blue** #87cefa [pool] — Light Sky Blue is paired with #f381b4 in 3 real palettes, including Mercury's brand system and Sentry's brand system, as the supporting colour. Seen in: Mercury (https://brandsweets.com/colors/brands/mercury-com), Sentry (https://brandsweets.com/colors/brands/sentry-io), Netlify (https://brandsweets.com/colors/brands/netlify-com). — https://brandsweets.com/colors/lightskyblue
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Lavender Haze and Railway's brand system put Midnight Blue beside #f381b4, as the text colour against it. Seen in: Lavender Haze (https://brandsweets.com/palettes/playful#lavender-haze), Railway (https://brandsweets.com/colors/brands/railway-app), Casper Sleep (https://brandsweets.com/colors/brands/casper-com). — https://brandsweets.com/colors/midnightblue
- **Mustard Yellow** #ffdb58 [pool] — 3 real palettes, including Meadow and Lido put Mustard Yellow beside #f381b4, as the supporting colour. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow), Lido (https://brandsweets.com/palettes/vivid#lido), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box). — https://brandsweets.com/colors/mustard
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #f381b4: 3 real palettes, including Polaroid and Chalkboard, as the supporting colour. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Resort (https://brandsweets.com/palettes/light#resort). — https://brandsweets.com/colors/sage-green

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

- On white (#ffffff): 2.44:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #e01570 (4.66:1); AA: background → #3b3b3b (4.59:1); AAA: text → #ad1057 (7.03:1); AAA: background → #1a1a1a (7.14:1)
- On black (#000000): 8.61:1 — AA pass, AA-large pass, AAA pass

## 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
- friendly: https://brandsweets.com/fonts/mood/friendly
- clean: https://brandsweets.com/fonts/mood/clean

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/f381b4-c49ca9-62cb69-2d1f20-f1e9f0?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: "#f381b4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.