# #78decf

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

## Values

- Hex: `#78decf`
- RGB: rgb(120, 222, 207)
- HSL: hsl(171, 61%, 67%)
- OKLCH: oklch(0.835 0.099 183.3)
- Relative luminance: 0.6074
- Nearest named color: Hammam Blue (#65dcd6, Δ 1.893) — https://brandsweets.com/colors/hammam-blue
- Moods: vivid
- Page: https://brandsweets.com/colors/78decf

## Tints & shades

- Tints (toward white): #84e1d3, #90e4d8, #9ce7dc, #a9eae0, #b9eee6, #c6f1eb, #d2f4ef, #def7f3, #eafaf8, #f7fdfc
- Shades (toward black): #5fd8c6, #42d1bc, #30c5af, #2aac99, #249483, #1d776a, #175e54, #11463e, #0a2924, #04100f

## Harmonies

- Complementary: #de7887
- Analogous: #78de9b, #78bade
- Triadic: #cf78de, #decf78
- Split-complementary: #de78ba, #de9b78
- Tetradic: #9b78de, #de7887, #bade78

## Colors that go with #78decf

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 #78decf: 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 #78decf 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 #78decf 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 #78decf: 7 real palettes, including Astro's brand system and Salesforce's brand system, as the supporting colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Prime Video (https://brandsweets.com/colors/brands/primevideo-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 Blue Mono put Midnight Blue beside #78decf, as the text colour against it. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Blue Mono (https://brandsweets.com/palettes/cool#blue-mono), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Allbirds (https://brandsweets.com/colors/brands/allbirds-com). — https://brandsweets.com/colors/midnightblue
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #78decf: 4 real palettes, including Stone and Scale AI's brand system, as the supporting colour. Seen in: Stone (https://brandsweets.com/palettes/neutral#stone), Scale AI (https://brandsweets.com/colors/brands/scale-com), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal). — https://brandsweets.com/colors/sage-green
- **Slate Gray** #708090 [pool] — 8 real palettes, including Still Water and Dusty Blue put Slate Gray beside #78decf, 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 #78decf in 21 real palettes, including Mint Chip and Astro's brand system, as the text colour against it. Seen in: Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Astro (https://brandsweets.com/colors/brands/astro-build), Blossom (https://brandsweets.com/palettes/light#blossom), Macaron (https://brandsweets.com/palettes/light#macaron). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 1.6:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #208374 (4.61:1); AA: background → #575757 (4.52:1); AAA: text → #186357 (7.09:1); AAA: background → #3b3b3b (7.01:1)
- On black (#000000): 13.15:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Tiffany & Co.** — accent #81d8d0 (Δ 1.807) — 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/78decf-a2bebd-d459a7-1f292d-e9f1ec?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: "#78decf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.