# #6ddde3

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

## Values

- Hex: `#6ddde3`
- RGB: rgb(109, 221, 227)
- HSL: hsl(183, 68%, 66%)
- OKLCH: oklch(0.834 0.103 200.1)
- Relative luminance: 0.6051
- Nearest named color: Hammam Blue (#65dcd6, Δ 2.006) — https://brandsweets.com/colors/hammam-blue
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/6ddde3

## Tints & shades

- Tints (toward white): #7ae0e6, #87e3e8, #98e7eb, #a5eaee, #b2edf0, #bff0f3, #ccf3f5, #ddf7f8, #eafafb, #f6fdfd
- Shades (toward black): #54d7de, #3ad1d9, #26c1c9, #21a9b0, #1d9096, #18777c, #135f63, #0d4245, #08292b, #031011

## Harmonies

- Complementary: #e3736d
- Analogous: #6de3ae, #6da2e3
- Triadic: #e36ddd, #dde36d
- Split-complementary: #e36da2, #e3ae6d
- Tetradic: #ae6de3, #e3736d, #a2e36d

## Colors that go with #6ddde3

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 #6ddde3: softer than #000 and cool enough to feel like part of the same palette. Seen in: Boeing (https://brandsweets.com/colors/brands/boeing-com), UEFA (https://brandsweets.com/colors/brands/uefa-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #6ddde3's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Astro (https://brandsweets.com/colors/brands/astro-build), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Max (https://brandsweets.com/colors/brands/max-com). — https://brandsweets.com/colors/deepskyblue
- **Dark Salmon** #e9967a [harmony, pool: complementary] — Dark Salmon sits directly opposite #6ddde3 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 #6ddde3 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), Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Riot Games (https://brandsweets.com/colors/brands/riotgames-com). — https://brandsweets.com/colors/crimson
- **Plum** #dda0dd [harmony, pool: split] — Plum is a split-complement of #6ddde3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. 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] — 6 real palettes, including Still Water and Dusty Blue put Slate Gray beside #6ddde3, 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), Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark). — https://brandsweets.com/colors/slategray
- **Taupe** #483c32 [pool] — Taupe is paired with #6ddde3 in 18 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), Macaron (https://brandsweets.com/palettes/light#macaron), Nursery (https://brandsweets.com/palettes/light#nursery). — https://brandsweets.com/colors/taupe
- **Tomato** #ff6347 [pool] — 4 real palettes, including Crayon Box and Raycast's brand system put Tomato beside #6ddde3, as the lead colour. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Raycast (https://brandsweets.com/colors/brands/raycast), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Beats (https://brandsweets.com/colors/brands/beatsbydre-com). — https://brandsweets.com/colors/tomato

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

- On white (#ffffff): 1.6:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #197f85 (4.76:1); AA: background → #575757 (4.51:1); AAA: text → #135f63 (7.38:1); AAA: background → #383838 (7.32:1)
- On black (#000000): 13.1:1 — 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/6ddde3-a2b9be-d4598e-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: "#6ddde3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.
