# #81e4cd

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

## Values

- Hex: `#81e4cd`
- RGB: rgb(129, 228, 205)
- HSL: hsl(166, 65%, 70%)
- OKLCH: oklch(0.852 0.1 177)
- Relative luminance: 0.6456
- Nearest named color: Beach Glass (#96dfce, Δ 2.308) — https://brandsweets.com/colors/beach-glass
- Moods: vivid, light, clean
- Page: https://brandsweets.com/colors/81e4cd

## Tints & shades

- Tints (toward white): #8de7d2, #9aead7, #a2ebda, #afeedf, #bcf1e4, #c8f3e9, #d5f6ee, #ddf8f2, #eafbf7, #f7fdfc
- Shades (toward black): #63dec1, #4ad9b7, #2dd2ac, #27b997, #219c7f, #1b7e67, #156552, #0f483a, #0a2e26, #04110e

## Harmonies

- Complementary: #e48198
- Analogous: #81e49b, #81cae4
- Triadic: #cd81e4, #e4cd81
- Split-complementary: #e481ca, #e49b81
- Tetradic: #9b81e4, #e48198, #cae481

## Colors that go with #81e4cd

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 #81e4cd: softer than #000 and cool enough to feel like part of the same palette. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Boeing (https://brandsweets.com/colors/brands/boeing-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Lilac** #c8a2c8 [harmony, pool: complementary] — Lilac sits directly opposite #81e4cd on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Crypto.com (https://brandsweets.com/colors/brands/crypto-com). — https://brandsweets.com/colors/lilac
- **Crimson** #dc143c [pool] — Crimson is paired with #81e4cd in 4 real palettes, including Tiffany & Co.'s brand system and Frost & Ember, as the supporting colour. Seen in: Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #81e4cd: 7 real palettes, including Astro's brand system and Salesforce's brand system, as the supporting colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/deepskyblue
- **Red** #ff0000 [pool] — Red is paired with #81e4cd in 4 real palettes, including Mattel's brand system and Gatorade's brand system, as the supporting colour. Seen in: Mattel (https://brandsweets.com/colors/brands/mattel-com), Gatorade (https://brandsweets.com/colors/brands/gatorade-com), LG (https://brandsweets.com/colors/brands/lg-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/red
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #81e4cd: 4 real palettes, including Pine & Birch and Stone, as the supporting colour. Seen in: Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Stone (https://brandsweets.com/palettes/neutral#stone), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Scale AI (https://brandsweets.com/colors/brands/scale-com). — https://brandsweets.com/colors/sage-green
- **Slate Gray** #708090 [pool] — 6 real palettes, including Still Water and Dusty Blue put Slate Gray beside #81e4cd, as the lead colour. Seen in: Still Water (https://brandsweets.com/palettes/cool#still-water), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Ink Wash (https://brandsweets.com/palettes/dark#ink-wash). — https://brandsweets.com/colors/slategray
- **Taupe** #483c32 [pool] — Taupe is paired with #81e4cd in 18 real palettes, including Mint Chip and Astro's brand system, as the text colour against it. Seen in: Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Astro (https://brandsweets.com/colors/brands/astro-build), Blossom (https://brandsweets.com/palettes/light#blossom), Macaron (https://brandsweets.com/palettes/light#macaron). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 1.51:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #1c826a (4.72:1); AA: background → #595959 (4.64:1); AAA: text → #15614f (7.36:1); AAA: background → #3d3d3d (7.2:1)
- On black (#000000): 13.91:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

- 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/81e4cd-a2bebb-d459b1-1f2a2d-e9f1ec?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: "#81e4cd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.