# #139556

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

## Values

- Hex: `#139556`
- RGB: rgb(19, 149, 86)
- HSL: hsl(151, 77%, 33%)
- OKLCH: oklch(0.59 0.142 154.8)
- Relative luminance: 0.2231
- Nearest named color: Eucalyptus (#329760, Δ 2.122) — https://brandsweets.com/colors/eucalyptus
- Moods: vivid
- Page: https://brandsweets.com/colors/139556

## Tints & shades

- Tints (toward white): #17b569, #1bd078, #2be38a, #46e799, #66ebab, #81efb9, #a0f3cb, #bbf6da, #dbfaeb, #f6fefa
- Shades (toward black): #12874e, #107a47, #0e6c3f, #0c5f37, #0b5632, #09482a, #083b22, #062d1a, #042012, #02120a

## Harmonies

- Complementary: #951352
- Analogous: #139516, #139395
- Triadic: #561395, #955613
- Split-complementary: #951393, #951613
- Tetradic: #161395, #951352, #939513

## Colors that go with #139556

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 #139556: softer than #000 and cool enough to feel like part of the same palette. Seen in: Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #139556: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson
- **Medium Violet Red** #c71585 [harmony, pool: complementary] — Medium Violet Red sits directly opposite #139556 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Bun (https://brandsweets.com/colors/brands/bun-sh). — https://brandsweets.com/colors/mediumvioletred
- **Denim** #1560bd [pool] — Designers have shipped Denim with #139556: 6 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour. Seen in: Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Telehealth and Paramount+'s brand system put Midnight Blue beside #139556, as the text colour against it. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #139556 in 5 real palettes, including Console Light and Telehealth, as the lead colour. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Coinbase (https://brandsweets.com/colors/brands/coinbase), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #139556 in 9 real palettes, including Subaru's brand system and Instacart's brand system, as that palette's text colour. Seen in: Subaru (https://brandsweets.com/colors/brands/subaru-com), Instacart (https://brandsweets.com/colors/brands/instacart-com), Acer (https://brandsweets.com/colors/brands/acer-com), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/taupe
- **Blue Violet** #8a2be2 [harmony, pool: split] — Blue Violet is a split-complement of #139556: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/blueviolet

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

- On white (#ffffff): 3.85:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #12874e (4.56:1); AA: background → #1a1a1a (4.53:1); AAA: text → #0d633a (7.34:1)
- On black (#000000): 5.46:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #16ac63 (7.12:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/139556-a2beb4-d459d0-1f2d2c-e9f1ea?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: "#139556" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.