# #81e2fd

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

## Values

- Hex: `#81e2fd`
- RGB: rgb(129, 226, 253)
- HSL: hsl(193, 97%, 75%)
- OKLCH: oklch(0.863 0.099 217.9)
- Relative luminance: 0.6615
- Nearest named color: Blizzard Blue (#a3e3ed, Δ 3.82) — https://brandsweets.com/colors/blizzard-blue
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/81e2fd

## Tints & shades

- Tints (toward white): #8be5fd, #9be8fd, #a5eafe, #afedfe, #bef0fe, #c8f2fe, #d2f5fe, #dcf7fe, #ebfaff, #f5fdff
- Shades (toward black): #5edafd, #3bd2fc, #18cafb, #04baec, #039ec9, #027ea1, #02637e, #01475a, #012b37, #001014

## Harmonies

- Complementary: #fd9c81
- Analogous: #81fdda, #81a4fd
- Triadic: #fd81e2, #e2fd81
- Split-complementary: #fd81a4, #fdda81
- Tetradic: #da81fd, #fd9c81, #a4fd81

## Colors that go with #81e2fd

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 #81e2fd: softer than #000 and cool enough to feel like part of the same palette. Seen in: Boeing (https://brandsweets.com/colors/brands/boeing-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Coastal (https://brandsweets.com/palettes/cool#coastal), UEFA (https://brandsweets.com/colors/brands/uefa-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #81e2fd's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Calendly (https://brandsweets.com/colors/brands/calendly-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water). — https://brandsweets.com/colors/deepskyblue
- **Crimson** #dc143c [pool] — Crimson is paired with #81e2fd in 4 real palettes, including Frost & Ember and Tiffany & Co.'s brand system, as the accent. Seen in: Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Riot Games (https://brandsweets.com/colors/brands/riotgames-com). — https://brandsweets.com/colors/crimson
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Blue Mono and Telehealth put Midnight Blue beside #81e2fd, as the text colour against it. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Telehealth (https://brandsweets.com/palettes/modern#telehealth), First Snow (https://brandsweets.com/palettes/cool#first-snow), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk). — https://brandsweets.com/colors/midnightblue
- **Slate Gray** #708090 [pool] — 5 real palettes, including Dusty Blue and Still Water put Slate Gray beside #81e2fd, as the lead colour. Seen in: Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Still Water (https://brandsweets.com/palettes/cool#still-water), Ink Wash (https://brandsweets.com/palettes/dark#ink-wash), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono). — https://brandsweets.com/colors/slategray
- **Taupe** #483c32 [pool] — Taupe is paired with #81e2fd in 16 real palettes, including Boeing's brand system and Macaron, as the text colour against it. Seen in: Boeing (https://brandsweets.com/colors/brands/boeing-com), Macaron (https://brandsweets.com/palettes/light#macaron), Nursery (https://brandsweets.com/palettes/light#nursery), Sorbet (https://brandsweets.com/palettes/light#sorbet). — https://brandsweets.com/colors/taupe
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #81e2fd: 4 real palettes, including Sorbet and Mint Chip, as the supporting colour. Seen in: Sorbet (https://brandsweets.com/palettes/light#sorbet), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Oatly (https://brandsweets.com/colors/brands/oatly-com), Still Water (https://brandsweets.com/palettes/cool#still-water). — https://brandsweets.com/colors/wheat
- **Salmon** #fa8072 [harmony: complementary] — Salmon sits directly opposite #81e2fd 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/salmon

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

- On white (#ffffff): 1.48:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #027ea1 (4.67:1); AA: background → #5c5c5c (4.53:1); AAA: text → #025f79 (7.2:1); AAA: background → #404040 (7.03:1)
- On black (#000000): 14.23:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Netlify** — accent #89ddff (Δ 1.565) — https://brandsweets.com/colors/brands/netlify-com
- **Salesforce** — secondary #7cdcfc (Δ 1.735) — https://brandsweets.com/colors/brands/salesforce-com

## 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/81e2fd-a2b5be-df4e75-1f242d-e9f1ef?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: "#81e2fd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.