# #90d0df

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

## Values

- Hex: `#90d0df`
- RGB: rgb(144, 208, 223)
- HSL: hsl(191, 55%, 72%)
- OKLCH: oklch(0.82 0.068 214)
- Relative luminance: 0.5637
- Nearest named color: Sky Blue (#87ceeb, Δ 2.12) — https://brandsweets.com/colors/skyblue
- Moods: cool, light, clean, modern
- Page: https://brandsweets.com/colors/90d0df

## Tints & shades

- Tints (toward white): #9cd5e2, #a4d9e5, #b0dee8, #b8e1ea, #c4e6ee, #d0ebf1, #d7eef4, #e3f3f7, #ebf7f9, #f7fcfd
- Shades (toward black): #75c5d7, #59b9cf, #41afc8, #349bb2, #2c8396, #246b7b, #1c535f, #153e47, #0d262b, #050e10

## Harmonies

- Complementary: #df9f90
- Analogous: #90dfc6, #90a9df
- Triadic: #df90d0, #d0df90
- Split-complementary: #df90a9, #dfc690
- Tetradic: #c690df, #df9f90, #a9df90

## Colors that go with #90d0df

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 #90d0df: softer than #000 and cool enough to feel like part of the same palette. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Boeing (https://brandsweets.com/colors/brands/boeing-com), Harbour (https://brandsweets.com/palettes/cool#harbour), 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 #90d0df 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 #90d0df in 6 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 #90d0df: 7 real palettes, including Salesforce's brand system and Max's brand system, as the lead colour. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Max (https://brandsweets.com/colors/brands/max-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Calendly (https://brandsweets.com/colors/brands/calendly-com). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #90d0df: 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), Fitbit (https://brandsweets.com/colors/brands/fitbit-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 6 real palettes, including Telehealth and First Snow put Midnight Blue beside #90d0df, 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 #90d0df — 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] — 8 real palettes, including Still Water and Dusty Blue put Slate Gray beside #90d0df, 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): 1.71:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2a7f92 (4.62:1); AA: background → #525252 (4.57:1); AAA: text → #20606f (7.08:1); AAA: background → #363636 (7.06:1)
- On black (#000000): 12.27:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Uber** — secondary #9dcdd6 (Δ 1.705) — https://brandsweets.com/colors/brands/uber-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/90d0df-a2b6be-df4e7a-1f252d-e9f1ef?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: "#90d0df" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.