# #73d9d9

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

## Values

- Hex: `#73d9d9`
- RGB: rgb(115, 217, 217)
- HSL: hsl(180, 57%, 65%)
- OKLCH: oklch(0.824 0.095 195.5)
- Relative luminance: 0.5828
- Nearest named color: Hammam Blue (#65dcd6, Δ 1.459) — https://brandsweets.com/colors/hammam-blue
- Moods: cool, modern
- Page: https://brandsweets.com/colors/73d9d9

## Tints & shades

- Tints (toward white): #7fdcdc, #8fe0e0, #9be4e4, #a7e7e7, #b7ebeb, #c3efef, #cff2f2, #dbf5f5, #ebfafa, #f7fdfd
- Shades (toward black): #5bd2d2, #43cbcb, #34bcbc, #2da4a4, #268c8c, #1f7070, #185858, #124040, #0b2828, #041010

## Harmonies

- Complementary: #d97373
- Analogous: #73d9a6, #73a6d9
- Triadic: #d973d9, #d9d973
- Split-complementary: #d973a6, #d9a673
- Tetradic: #a673d9, #d97373, #a6d973

## Colors that go with #73d9d9

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 #73d9d9: softer than #000 and cool enough to feel like part of the same palette. Seen in: Boeing (https://brandsweets.com/colors/brands/boeing-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Coastal (https://brandsweets.com/palettes/cool#coastal), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #73d9d9'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), Max (https://brandsweets.com/colors/brands/max-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/deepskyblue
- **Light Coral** #f08080 [harmony, pool: complementary] — Light Coral sits directly opposite #73d9d9 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Sentry (https://brandsweets.com/colors/brands/sentry-io). — https://brandsweets.com/colors/lightcoral
- **Crimson** #dc143c [pool] — Crimson is paired with #73d9d9 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 #73d9d9: 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] — 8 real palettes, including Still Water and Dusty Blue put Slate Gray beside #73d9d9, 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 #73d9d9 in 23 real palettes, including Mint Chip and Boeing's brand system, as the text colour against it. Seen in: Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Boeing (https://brandsweets.com/colors/brands/boeing-com), 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 #73d9d9, 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): 1.66:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #238080 (4.7:1); AA: background → #545454 (4.56:1); AAA: text → #1a6060 (7.28:1); AAA: background → #383838 (7.07:1)
- On black (#000000): 12.66:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Tiffany & Co.** — accent #81d8d0 (Δ 1.546) — https://brandsweets.com/colors/brands/tiffany-com

## 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/73d9d9-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: "#73d9d9" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.