# #91cdcf

A color — cool, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#91cdcf`
- RGB: rgb(145, 205, 207)
- HSL: hsl(182, 39%, 69%)
- OKLCH: oklch(0.808 0.061 198.6)
- Relative luminance: 0.5419
- Nearest named color: Continental Waters (#98c6cb, Δ 1.868) — https://brandsweets.com/colors/continental-waters
- Moods: cool, modern
- Page: https://brandsweets.com/colors/91cdcf

## Tints & shades

- Tints (toward white): #9cd2d3, #a6d6d8, #b1dbdd, #bce0e1, #c6e5e6, #cde8e9, #d8edee, #e3f2f3, #edf7f7, #f8fcfc
- Shades (toward black): #7cc3c5, #63b8bb, #4eaeb1, #439698, #3a8183, #2f686a, #255355, #1a3b3c, #112627, #060e0e

## Harmonies

- Complementary: #cf9391
- Analogous: #91cfb2, #91aecf
- Triadic: #cf91cd, #cdcf91
- Split-complementary: #cf91ae, #cfb291
- Tetradic: #b291cf, #cf9391, #aecf91

## Colors that go with #91cdcf

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 #91cdcf: softer than #000 and cool enough to feel like part of the same palette. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Harbour (https://brandsweets.com/palettes/cool#harbour), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue). — https://brandsweets.com/colors/charcoal
- **Dark Salmon** #e9967a [harmony, pool: complementary] — Dark Salmon sits directly opposite #91cdcf on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Polaroid (https://brandsweets.com/palettes/light#polaroid). — https://brandsweets.com/colors/darksalmon
- **Crimson** #dc143c [pool] — Crimson is paired with #91cdcf 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), Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Cartier (https://brandsweets.com/colors/brands/cartier-com). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #91cdcf: 6 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #91cdcf: 4 real palettes, including UEFA's brand system and Nikon's brand system, as the accent. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Nikon (https://brandsweets.com/colors/brands/nikon-com), Open House (https://brandsweets.com/palettes/clean#open-house), Fitbit (https://brandsweets.com/colors/brands/fitbit-com). — https://brandsweets.com/colors/denim
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #91cdcf 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 #91cdcf, as the text colour against it. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), First Snow (https://brandsweets.com/palettes/cool#first-snow), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk). — https://brandsweets.com/colors/midnightblue
- **Plum** #dda0dd [harmony, pool: triadic] — Plum completes a triad with #91cdcf — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Blossom (https://brandsweets.com/palettes/light#blossom), Netlify (https://brandsweets.com/colors/brands/netlify-com), Mercury (https://brandsweets.com/colors/brands/mercury-com). — https://brandsweets.com/colors/plum

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

- On white (#ffffff): 1.77:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3a8183 (4.52:1); AA: background → #4f4f4f (4.62:1); AAA: text → #2c6163 (7.01:1); AAA: background → #333333 (7.12:1)
- On black (#000000): 11.84:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Uber** — secondary #9dcdd6 (Δ 1.773) — https://brandsweets.com/colors/brands/uber-com

## Fonts for this mood

- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/91cdcf-a2babe-d45990-1f272d-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: "#91cdcf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.