# #91cbd4

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

## Values

- Hex: `#91cbd4`
- RGB: rgb(145, 203, 212)
- HSL: hsl(188, 44%, 70%)
- OKLCH: oklch(0.805 0.061 208)
- Relative luminance: 0.5349
- Nearest named color: Continental Waters (#98c6cb, Δ 1.586) — https://brandsweets.com/colors/continental-waters
- Moods: cool, light, clean, modern
- Page: https://brandsweets.com/colors/91cbd4

## Tints & shades

- Tints (toward white): #9cd0d8, #a7d6dd, #aed9e0, #b9dee4, #c4e3e8, #cfe9ec, #daeef1, #e2f1f4, #edf6f8, #f8fcfc
- Shades (toward black): #77bfca, #61b5c2, #47a9b8, #3f94a2, #357d88, #2b656e, #225158, #18393e, #102528, #060d0f

## Harmonies

- Complementary: #d49a91
- Analogous: #91d4bb, #91aad4
- Triadic: #d491cb, #cbd491
- Split-complementary: #d491aa, #d4bb91
- Tetradic: #bb91d4, #d49a91, #aad491

## Colors that go with #91cbd4

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 #91cbd4: 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), Boeing (https://brandsweets.com/colors/brands/boeing-com), 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 #91cbd4 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 #91cbd4 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 #91cbd4: 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 #91cbd4: 5 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), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Telehealth and First Snow put Midnight Blue beside #91cbd4, 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
- **Plum** #dda0dd [harmony, pool: triadic] — Plum completes a triad with #91cbd4 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Netlify (https://brandsweets.com/colors/brands/netlify-com), Blossom (https://brandsweets.com/palettes/light#blossom), Mercury (https://brandsweets.com/colors/brands/mercury-com). — https://brandsweets.com/colors/plum
- **Slate Gray** #708090 [pool] — 9 real palettes, including Still Water and Dusty Blue put Slate Gray beside #91cbd4, 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): 1.8:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #36808c (4.54:1); AA: background → #4f4f4f (4.56:1); AAA: text → #285e67 (7.27:1); AAA: background → #333333 (7.04:1)
- On black (#000000): 11.7:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Uber** — secondary #9dcdd6 (Δ 1.536) — https://brandsweets.com/colors/brands/uber-com
- **Oatly** — accent #98c5d3 (Δ 1.696) — https://brandsweets.com/colors/brands/oatly-com

## Fonts for this mood

- clean: https://brandsweets.com/fonts/mood/clean
- 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/91cbd4-a2b7be-df4e81-1f252d-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: "#91cbd4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.