# #81f7fd

A color — cool, vivid, light, technical, modern, clean. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#81f7fd`
- RGB: rgb(129, 247, 253)
- HSL: hsl(183, 97%, 75%)
- OKLCH: oklch(0.91 0.107 199.8)
- Relative luminance: 0.7828
- Nearest named color: Bath Water (#88eeee, Δ 2.612) — https://brandsweets.com/colors/bath-water
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/81f7fd

## Tints & shades

- Tints (toward white): #8bf8fd, #9bf9fd, #a5f9fe, #affafe, #befbfe, #c8fbfe, #d2fcfe, #dcfdfe, #ebfeff, #f5feff
- Shades (toward black): #5ef5fd, #3bf2fc, #18f0fb, #04e0ec, #03bfc9, #0299a1, #02777e, #01565a, #013537, #001314

## Harmonies

- Complementary: #fd8881
- Analogous: #81fdc5, #81b9fd
- Triadic: #fd81f7, #f7fd81
- Split-complementary: #fd81b9, #fdc581
- Tetradic: #c581fd, #fd8881, #b9fd81

## Colors that go with #81f7fd

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 text near-black for #81f7fd: softer than #000 and cool enough to feel like part of the same palette. Seen in: Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Boeing (https://brandsweets.com/colors/brands/boeing-com), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #81f7fd's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Deep Water (https://brandsweets.com/palettes/dark#deep-water), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Astro (https://brandsweets.com/colors/brands/astro-build), Calendly (https://brandsweets.com/colors/brands/calendly-com). — https://brandsweets.com/colors/deepskyblue
- **Light Coral** #f08080 [harmony, pool: complementary] — Light Coral sits directly opposite #81f7fd on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Sentry (https://brandsweets.com/colors/brands/sentry-io). — https://brandsweets.com/colors/lightcoral
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #81f7fd: 4 real palettes, including Forest Floor and Pine & Birch, as the lead colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Stone (https://brandsweets.com/palettes/neutral#stone), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard). — https://brandsweets.com/colors/sage-green
- **Slate Gray** #708090 [pool] — 4 real palettes, including Ledger Dark and Ink Wash put Slate Gray beside #81f7fd, as the supporting colour. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Ink Wash (https://brandsweets.com/palettes/dark#ink-wash), Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Studio Grey (https://brandsweets.com/palettes/minimal#studio-grey). — https://brandsweets.com/colors/slategray
- **Taupe** #483c32 [pool] — Taupe is paired with #81f7fd in 14 real palettes, including Sorbet and Macaron, as the text colour against it. Seen in: Sorbet (https://brandsweets.com/palettes/light#sorbet), Macaron (https://brandsweets.com/palettes/light#macaron), Nursery (https://brandsweets.com/palettes/light#nursery), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/taupe
- **Hot Pink** #ff69b4 [harmony, pool: split] — Hot Pink is a split-complement of #81f7fd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/hotpink
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #81f7fd: 3 real palettes, including Estate and Dusk, as the supporting colour. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Dusk (https://brandsweets.com/palettes/cool#dusk), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/cadetblue

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

- On white (#ffffff): 1.26:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #028188 (4.67:1); AA: background → #666666 (4.55:1); AAA: text → #026064 (7.34:1); AAA: background → #4a4a4a (7.03:1)
- On black (#000000): 16.66:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- 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/81f7fd-a2b9be-d4598e-1f262d-e9f1ee?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: "#81f7fd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.