# #78d9d2

A color — neutral. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#78d9d2`
- RGB: rgb(120, 217, 210)
- HSL: hsl(176, 56%, 66%)
- OKLCH: oklch(0.824 0.093 189.5)
- Relative luminance: 0.5827
- Nearest named color: Hammam Blue (#65dcd6, Δ 1.503) — https://brandsweets.com/colors/hammam-blue
- Moods: neutral
- Page: https://brandsweets.com/colors/78d9d2

## Tints & shades

- Tints (toward white): #84dcd6, #90e0da, #a0e4e0, #abe7e3, #b7ebe7, #c3eeeb, #cff2ef, #dff6f5, #ebf9f8, #f7fdfc
- Shades (toward black): #60d2cb, #48cbc3, #35bbb2, #2ea39b, #278b85, #21736e, #1a5b57, #12403d, #0b2826, #04100f

## Harmonies

- Complementary: #d9787e
- Analogous: #78d9a2, #78afd9
- Triadic: #d278d9, #d9d278
- Split-complementary: #d978af, #d9a278
- Tetradic: #a278d9, #d9787e, #afd978

## Colors that go with #78d9d2

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 #78d9d2: softer than #000 and cool enough to feel like part of the same palette. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Boeing (https://brandsweets.com/colors/brands/boeing-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Light Coral** #f08080 [harmony, pool: complementary] — Light Coral sits directly opposite #78d9d2 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 #78d9d2 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
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #78d9d2: 6 real palettes, including Salesforce's brand system and Astro's brand system, as the lead colour. 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
- **Midnight Blue** #191970 [pool] — 4 real palettes, including First Snow and Telehealth put Midnight Blue beside #78d9d2, as the text colour against it. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Allbirds (https://brandsweets.com/colors/brands/allbirds-com). — https://brandsweets.com/colors/midnightblue
- **Plum** #dda0dd [harmony, pool: split] — Plum is a split-complement of #78d9d2: 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #78d9d2 in 4 real palettes, including Docker's brand system and Telehealth, as the supporting colour. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Telehealth (https://brandsweets.com/palettes/modern#telehealth), 1password (https://brandsweets.com/colors/brands/1password-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #78d9d2: 4 real palettes, including Stone and Oatmeal, as the supporting colour. Seen in: Stone (https://brandsweets.com/palettes/neutral#stone), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Scale AI (https://brandsweets.com/colors/brands/scale-com). — https://brandsweets.com/colors/sage-green

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

- On white (#ffffff): 1.66:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #25837d (4.54:1); AA: background → #545454 (4.56:1); AAA: text → #1c635f (7:1); AAA: background → #383838 (7.07:1)
- On black (#000000): 12.65:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Tiffany & Co.** — accent #81d8d0 (Δ 0.779) — https://brandsweets.com/colors/brands/tiffany-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/78d9d2-a2bdbe-d4599d-1f282d-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: "#78d9d2" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.