# #5dd9ea

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

## Values

- Hex: `#5dd9ea`
- RGB: rgb(93, 217, 234)
- HSL: hsl(187, 77%, 64%)
- OKLCH: oklch(0.822 0.112 207.6)
- Relative luminance: 0.5789
- Nearest named color: Hammam Blue (#65dcd6, Δ 3.241) — https://brandsweets.com/colors/hammam-blue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/5dd9ea

## Tints & shades

- Tints (toward white): #6addec, #7ce1ee, #8ae4f0, #9ce8f2, #a9ebf4, #b7eef6, #c9f2f8, #d6f6fa, #e8fafc, #f6fdfe
- Shades (toward black): #41d3e6, #26cde3, #1bbbd0, #17a2b5, #148a99, #10727e, #0d5963, #094148, #06292d, #021012

## Harmonies

- Complementary: #ea6d5d
- Analogous: #5deab4, #5d93ea
- Triadic: #ea5dd9, #d9ea5d
- Split-complementary: #ea5d93, #eab45d
- Tetradic: #b45dea, #ea6d5d, #93ea5d

## Colors that go with #5dd9ea

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 #5dd9ea: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Boeing (https://brandsweets.com/colors/brands/boeing-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Dark Salmon** #e9967a [harmony, pool: complementary] — Dark Salmon sits directly opposite #5dd9ea 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). — https://brandsweets.com/colors/darksalmon
- **Crimson** #dc143c [pool] — Crimson is paired with #5dd9ea in 4 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), Formula 1 (https://brandsweets.com/colors/brands/formula1-com). — https://brandsweets.com/colors/crimson
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #5dd9ea: 5 real palettes, including Patreon's brand system and Opensea's brand system, as the accent. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Opensea (https://brandsweets.com/colors/brands/opensea-io), Bluesky Social (https://brandsweets.com/colors/brands/bsky-app), Figma (https://brandsweets.com/colors/brands/figma). — https://brandsweets.com/colors/dodgerblue
- **Slate Gray** #708090 [pool] — 5 real palettes, including Still Water and Dusty Blue put Slate Gray beside #5dd9ea, 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
- **Taupe** #483c32 [pool] — Taupe is paired with #5dd9ea in 16 real palettes, including Boeing's brand system and Mint Chip, as the text colour against it. Seen in: Boeing (https://brandsweets.com/colors/brands/boeing-com), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Macaron (https://brandsweets.com/palettes/light#macaron). — https://brandsweets.com/colors/taupe
- **Tomato** #ff6347 [pool] — 4 real palettes, including Crayon Box and Raycast's brand system put Tomato beside #5dd9ea, as the lead colour. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Raycast (https://brandsweets.com/colors/brands/raycast), Beats (https://brandsweets.com/colors/brands/beatsbydre-com), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice). — https://brandsweets.com/colors/tomato
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #5dd9ea: 4 real palettes, including Mint Chip and Oatly's brand system, as the accent. Seen in: Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Oatly (https://brandsweets.com/colors/brands/oatly-com), Still Water (https://brandsweets.com/palettes/cool#still-water), Sorbet (https://brandsweets.com/palettes/light#sorbet). — https://brandsweets.com/colors/wheat

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

- On white (#ffffff): 1.67:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #138290 (4.54:1); AA: background → #545454 (4.54:1); AAA: text → #0e616c (7.13:1); AAA: background → #383838 (7.02:1)
- On black (#000000): 12.58:1 — 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

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/5dd9ea-a2b8be-df4e83-1f262d-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: "#5dd9ea" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.