# #90cbc8

A color — neutral. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#90cbc8`
- RGB: rgb(144, 203, 200)
- HSL: hsl(177, 36%, 68%)
- OKLCH: oklch(0.801 0.061 192)
- Relative luminance: 0.5281
- Nearest named color: Cerulean Skies (#8cc6cb, Δ 1.682) — https://brandsweets.com/colors/cerulean-skies
- Moods: neutral
- Page: https://brandsweets.com/colors/90cbc8

## Tints & shades

- Tints (toward white): #9ad0cd, #a5d5d2, #afd9d7, #badedd, #c4e3e2, #cee8e7, #d9edec, #e3f2f1, #eef7f6, #f8fcfc
- Shades (toward black): #7bc1bd, #63b6b1, #50aaa5, #45928e, #3b7d7a, #316865, #26504e, #1c3b39, #102322, #070e0e

## Harmonies

- Complementary: #cb9093
- Analogous: #90cbaa, #90b0cb
- Triadic: #c890cb, #cbc890
- Split-complementary: #cb90b0, #cbaa90
- Tetradic: #aa90cb, #cb9093, #b0cb90

## Colors that go with #90cbc8

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 #90cbc8: softer than #000 and cool enough to feel like part of the same palette. Seen in: Harbour (https://brandsweets.com/palettes/cool#harbour), Coastal (https://brandsweets.com/palettes/cool#coastal), Canopy (https://brandsweets.com/palettes/cool#canopy), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/charcoal
- **Dark Salmon** #e9967a [harmony, pool: complementary] — Dark Salmon sits directly opposite #90cbc8 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard). — https://brandsweets.com/colors/darksalmon
- **Crimson** #dc143c [pool] — Crimson is paired with #90cbc8 in 5 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), Cartier (https://brandsweets.com/colors/brands/cartier-com), Riot Games (https://brandsweets.com/colors/brands/riotgames-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #90cbc8: 7 real palettes, including Max's brand system and Salesforce's brand system, as the supporting colour. Seen in: Max (https://brandsweets.com/colors/brands/max-com), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Calm (https://brandsweets.com/colors/brands/calm-com). — https://brandsweets.com/colors/deepskyblue
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #90cbc8 in 4 real palettes, including Canopy and Pine & Birch, as the lead colour. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Desert Road (https://brandsweets.com/palettes/warm#desert-road), Neon (https://brandsweets.com/colors/brands/neon-tech). — https://brandsweets.com/colors/hunter-green
- **Midnight Blue** #191970 [pool] — 6 real palettes, including Telehealth and First Snow put Midnight Blue beside #90cbc8, as the text colour against it. Seen in: 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), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #90cbc8 in 4 real palettes, including Telehealth and 1password's brand system, as the lead colour. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), 1password (https://brandsweets.com/colors/brands/1password-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/royalblue
- **Slate Gray** #708090 [pool] — 12 real palettes, including Still Water and Dusty Blue put Slate Gray beside #90cbc8, as the lead colour. Seen in: Still Water (https://brandsweets.com/palettes/cool#still-water), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe). — https://brandsweets.com/colors/slategray

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

- On white (#ffffff): 1.82:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3c807d (4.59:1); AA: background → #4f4f4f (4.51:1); AAA: text → #2e615f (7.02:1); AAA: background → #303030 (7.27:1)
- On black (#000000): 11.56:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/90cbc8-a2bcbe-d4599b-1f282d-e9f1ed?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: "#90cbc8" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.