# #91ddde

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

## Values

- Hex: `#91ddde`
- RGB: rgb(145, 221, 222)
- HSL: hsl(181, 54%, 72%)
- OKLCH: oklch(0.849 0.075 196.9)
- Relative luminance: 0.6301
- Nearest named color: Cold Blue (#88dddd, Δ 0.901) — https://brandsweets.com/colors/cold-blue
- Moods: cool, light, clean, modern
- Page: https://brandsweets.com/colors/91ddde

## Tints & shades

- Tints (toward white): #9de1e2, #a5e3e4, #b0e7e8, #b8e9ea, #c4eded, #d0f0f1, #d8f3f3, #e4f6f7, #ebf9f9, #f7fdfd
- Shades (toward black): #76d4d6, #5accce, #43c4c7, #35afb1, #2d9395, #24787a, #1c5d5e, #154647, #0d2b2b, #051010

## Harmonies

- Complementary: #de9291
- Analogous: #91deb9, #91b6de
- Triadic: #de91dd, #ddde91
- Split-complementary: #de91b6, #deb991
- Tetradic: #b991de, #de9291, #b6de91

## Colors that go with #91ddde

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 #91ddde: 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), Coastal (https://brandsweets.com/palettes/cool#coastal), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Dark Salmon** #e9967a [harmony, pool: complementary] — Dark Salmon sits directly opposite #91ddde 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
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #91ddde: 4 real palettes, including Blue Mono and Blueprint, as the supporting colour. Seen in: Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Canva (https://brandsweets.com/colors/brands/canva-com), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #91ddde in 5 real palettes, including Frost & Ember and Tiffany & Co.'s brand system, as the accent. Seen in: Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Formula 1 (https://brandsweets.com/colors/brands/formula1-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 #91ddde: 7 real palettes, including Salesforce's brand system and Mistral AI's brand system, as the lead colour. 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
- **Lilac** #c8a2c8 [harmony, pool: split] — Lilac is a split-complement of #91ddde: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Crypto.com (https://brandsweets.com/colors/brands/crypto-com), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk). — https://brandsweets.com/colors/lilac
- **Midnight Blue** #191970 [pool] — 5 real palettes, including First Snow and Blue Mono put Midnight Blue beside #91ddde, as the text colour against it. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), 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 #91ddde: 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

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

- On white (#ffffff): 1.54:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #278082 (4.67:1); AA: background → #595959 (4.54:1); AAA: text → #1d6162 (7.15:1); AAA: background → #3d3d3d (7.04:1)
- On black (#000000): 13.6:1 — AA pass, AA-large pass, AAA pass

## 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/91ddde-a2babe-d45992-1f272d-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: "#91ddde" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.