# #89d3d7

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

## Values

- Hex: `#89d3d7`
- RGB: rgb(137, 211, 215)
- HSL: hsl(183, 49%, 69%)
- OKLCH: oklch(0.82 0.074 200.2)
- Relative luminance: 0.5681
- Nearest named color: Cold Blue (#88dddd, Δ 2.619) — https://brandsweets.com/colors/cold-blue
- Moods: cool, modern
- Page: https://brandsweets.com/colors/89d3d7

## Tints & shades

- Tints (toward white): #95d7db, #a0dbde, #abe0e2, #b7e4e6, #c2e8ea, #caebed, #d5eff1, #e1f4f5, #ecf8f8, #f7fcfc
- Shades (toward black): #72cacf, #58c0c6, #41b8be, #389ea3, #30888d, #276e72, #1f585b, #163e41, #0e282a, #050f0f

## Harmonies

- Complementary: #d78d89
- Analogous: #89d7b4, #89acd7
- Triadic: #d789d3, #d3d789
- Split-complementary: #d789ac, #d7b489
- Tetradic: #b489d7, #d78d89, #acd789

## Colors that go with #89d3d7

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 #89d3d7: softer than #000 and cool enough to feel like part of the same palette. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Boeing (https://brandsweets.com/colors/brands/boeing-com), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/charcoal
- **Dark Salmon** #e9967a [harmony, pool: complementary] — Dark Salmon sits directly opposite #89d3d7 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 #89d3d7 in 5 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
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #89d3d7: 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
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Telehealth and First Snow put Midnight Blue beside #89d3d7, 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 #89d3d7 — 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #89d3d7 in 4 real palettes, including Telehealth and 1password's brand system, as the lead colour. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), 1password (https://brandsweets.com/colors/brands/1password-com), Docker (https://brandsweets.com/colors/brands/docker-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Slate Gray** #708090 [pool] — 9 real palettes, including Still Water and Dusty Blue put Slate Gray beside #89d3d7, 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): 1.7:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2e8185 (4.57:1); AA: background → #525252 (4.6:1); AAA: text → #226063 (7.19:1); AAA: background → #363636 (7.11:1)
- On black (#000000): 12.36:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

- 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/89d3d7-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: "#89d3d7" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.