# #81e7ee

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

## Values

- Hex: `#81e7ee`
- RGB: rgb(129, 231, 238)
- HSL: hsl(184, 76%, 72%)
- OKLCH: oklch(0.869 0.096 201.3)
- Relative luminance: 0.6799
- Nearest named color: Bath Water (#88eeee, Δ 2.104) — https://brandsweets.com/colors/bath-water
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/81e7ee

## Tints & shades

- Tints (toward white): #8fe9f0, #98ebf1, #a5eef3, #aeeff4, #bcf2f6, #c9f5f8, #d2f6f9, #e0f9fb, #e9fbfc, #f6fdfe
- Shades (toward black): #62e1ea, #43dae5, #28d5e2, #1cbeca, #17a1ab, #13838b, #0f666c, #0b4c51, #072f31, #021112

## Harmonies

- Complementary: #ee8981
- Analogous: #81eebf, #81b0ee
- Triadic: #ee81e7, #e7ee81
- Split-complementary: #ee81b0, #eebf81
- Tetradic: #bf81ee, #ee8981, #b0ee81

## Colors that go with #81e7ee

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 #81e7ee: 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), UEFA (https://brandsweets.com/colors/brands/uefa-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #81e7ee'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), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Blue Mono and First Snow put Midnight Blue beside #81e7ee, as the text colour against it. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), First Snow (https://brandsweets.com/palettes/cool#first-snow), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Allbirds (https://brandsweets.com/colors/brands/allbirds-com). — https://brandsweets.com/colors/midnightblue
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #81e7ee: 4 real palettes, including Stone and Pine & Birch, as the supporting colour. Seen in: Stone (https://brandsweets.com/palettes/neutral#stone), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/sage-green
- **Slate Gray** #708090 [pool] — 5 real palettes, including Dusty Blue and Still Water put Slate Gray beside #81e7ee, 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), Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark). — https://brandsweets.com/colors/slategray
- **Taupe** #483c32 [pool] — Taupe is paired with #81e7ee in 18 real palettes, including Macaron and Nursery, as the text colour against it. Seen in: Macaron (https://brandsweets.com/palettes/light#macaron), Nursery (https://brandsweets.com/palettes/light#nursery), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/taupe
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #81e7ee: 4 real palettes, including Mint Chip and Sorbet, as the accent. Seen in: Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Sorbet (https://brandsweets.com/palettes/light#sorbet), Oatly (https://brandsweets.com/colors/brands/oatly-com), Still Water (https://brandsweets.com/palettes/cool#still-water). — https://brandsweets.com/colors/wheat
- **Dark Salmon** #e9967a [harmony: complementary] — Dark Salmon sits directly opposite #81e7ee 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/darksalmon

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

- On white (#ffffff): 1.44:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #13838b (4.52:1); AA: background → #5e5e5e (4.51:1); AAA: text → #0e6167 (7.18:1); AAA: background → #404040 (7.21:1)
- On black (#000000): 14.6:1 — 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/81e7ee-a2b9be-df4e8a-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: "#81e7ee" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.
