# #90e4e4

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

## Values

- Hex: `#90e4e4`
- RGB: rgb(144, 228, 228)
- HSL: hsl(180, 61%, 73%)
- OKLCH: oklch(0.866 0.082 195.7)
- Relative luminance: 0.6702
- Nearest named color: Aqua Fiesta (#96e2e1, Δ 0.715) — https://brandsweets.com/colors/aqua-fiesta
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/90e4e4

## Tints & shades

- Tints (toward white): #9ce7e7, #a5e9e9, #b1ecec, #b9eeee, #c6f1f1, #cef3f3, #daf6f6, #e2f8f8, #effbfb, #f7fdfd
- Shades (toward black): #73dddd, #57d6d6, #3acfcf, #2db9b9, #27a0a0, #208383, #196767, #124a4a, #0b2d2d, #041010

## Harmonies

- Complementary: #e49090
- Analogous: #90e4ba, #90bae4
- Triadic: #e490e4, #e4e490
- Split-complementary: #e490ba, #e4ba90
- Tetradic: #ba90e4, #e49090, #bae490

## Colors that go with #90e4e4

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 #90e4e4: 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), Canopy (https://brandsweets.com/palettes/cool#canopy), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Lilac** #c8a2c8 [harmony, pool: split] — Lilac is a split-complement of #90e4e4: 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), Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Lavender Milk (https://brandsweets.com/palettes/light#lavender-milk). — https://brandsweets.com/colors/lilac
- **Dark Salmon** #e9967a [harmony, pool: complementary] — Dark Salmon sits directly opposite #90e4e4 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). — https://brandsweets.com/colors/darksalmon
- **Burlywood** #deb887 [pool] — Burlywood is paired with #90e4e4 in 4 real palettes, including Coastal and Chalkboard, as the accent. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/burlywood
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #90e4e4 in 4 real palettes, including Oatmeal and Forest Floor, as the lead colour. Seen in: Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), BrandSweets (https://brandsweets.com/colors/brands/brandsweets). — https://brandsweets.com/colors/darkolivegreen
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #90e4e4: 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), Deep Water (https://brandsweets.com/palettes/dark#deep-water). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #90e4e4: 4 real palettes, including Nikon's brand system and UEFA's brand system, as the supporting colour. Seen in: Nikon (https://brandsweets.com/colors/brands/nikon-com), UEFA (https://brandsweets.com/colors/brands/uefa-com), Fitbit (https://brandsweets.com/colors/brands/fitbit-com), Dusk (https://brandsweets.com/palettes/cool#dusk). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 5 real palettes, including First Snow and Blue Mono put Midnight Blue beside #90e4e4, 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), Allbirds (https://brandsweets.com/colors/brands/allbirds-com), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 1.46:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #208383 (4.53:1); AA: background → #5c5c5c (4.59:1); AAA: text → #175e5e (7.5:1); AAA: background → #404040 (7.11:1)
- On black (#000000): 14.4:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/90e4e4-a2bbbe-d45994-1f272d-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: "#90e4e4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.