# #78d3ca

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

## Values

- Hex: `#78d3ca`
- RGB: rgb(120, 211, 202)
- HSL: hsl(174, 51%, 65%)
- OKLCH: oklch(0.808 0.089 187.4)
- Relative luminance: 0.5485
- Nearest named color: Hidden Sea Glass (#6fd1c9, Δ 1.027) — https://brandsweets.com/colors/hidden-sea-glass
- Moods: neutral
- Page: https://brandsweets.com/colors/78d3ca

## Tints & shades

- Tints (toward white): #84d7cf, #93dcd5, #9fe0d9, #aae4de, #bae9e4, #c5ece8, #d1f0ed, #dcf4f1, #ecf9f7, #f7fdfc
- Shades (toward black): #61ccc1, #4ac4b8, #3bb5a9, #339e93, #2c877e, #236c65, #1b554f, #143e39, #0c2724, #050f0e

## Harmonies

- Complementary: #d37881
- Analogous: #78d39d, #78afd3
- Triadic: #ca78d3, #d3ca78
- Split-complementary: #d378af, #d39d78
- Tetradic: #9d78d3, #d37881, #afd378

## Colors that go with #78d3ca

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 #78d3ca: softer than #000 and cool enough to feel like part of the same palette. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), 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). — https://brandsweets.com/colors/charcoal
- **Light Coral** #f08080 [harmony, pool: complementary] — Light Coral sits directly opposite #78d3ca 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 #78d3ca 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 #78d3ca: 6 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), Astro (https://brandsweets.com/colors/brands/astro-build), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/deepskyblue
- **Plum** #dda0dd [harmony, pool: split] — Plum is a split-complement of #78d3ca: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Blossom (https://brandsweets.com/palettes/light#blossom), Netlify (https://brandsweets.com/colors/brands/netlify-com), Mercury (https://brandsweets.com/colors/brands/mercury-com). — https://brandsweets.com/colors/plum
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #78d3ca in 5 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), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), 1password (https://brandsweets.com/colors/brands/1password-com). — https://brandsweets.com/colors/royalblue
- **Slate Gray** #708090 [pool] — 9 real palettes, including Still Water and Dusty Blue put Slate Gray beside #78d3ca, as the lead colour. Seen in: Still Water (https://brandsweets.com/palettes/cool#still-water), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono). — https://brandsweets.com/colors/slategray
- **Taupe** #483c32 [pool] — Taupe is paired with #78d3ca in 26 real palettes, including Mint Chip and Crayon Box, as the text colour against it. Seen in: Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Still Water (https://brandsweets.com/palettes/cool#still-water). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 1.75:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2a837a (4.54:1); AA: background → #4f4f4f (4.67:1); AAA: text → #1f605a (7.29:1); AAA: background → #333333 (7.2:1)
- On black (#000000): 11.97:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Tiffany & Co.** — accent #81d8d0 (Δ 1.779) — 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/78d3ca-a2bebe-d459a1-1f292d-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: "#78d3ca" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.