# #137c57

A color — vivid, dark, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#137c57`
- RGB: rgb(19, 124, 87)
- HSL: hsl(159, 73%, 28%)
- OKLCH: oklch(0.521 0.107 162.9)
- Relative luminance: 0.1524
- Nearest named color: Greasy Greens (#117755, Δ 1.563) — https://brandsweets.com/colors/greasy-greens
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/137c57

## Tints & shades

- Tints (toward white): #189a6d, #1db983, #22d898, #3de1a7, #5ce6b5, #7beac3, #9aefd1, #b8f4df, #d7f9ed, #f6fefb
- Shades (toward black): #127351, #106547, #0e5d41, #0c4f38, #0b4732, #0a3e2c, #083122, #06281c, #041a13, #03120c

## Harmonies

- Complementary: #7c1338
- Analogous: #137c23, #136c7c
- Triadic: #57137c, #7c5713
- Split-complementary: #7c136c, #7c2313
- Tetradic: #23137c, #7c1338, #6c7c13

## Colors that go with #137c57

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 #137c57: softer than #000 and cool enough to feel like part of the same palette. Seen in: Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #137c57: 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), Gemstone (https://brandsweets.com/palettes/vivid#gemstone). — https://brandsweets.com/colors/crimson
- **Medium Violet Red** #c71585 [harmony, pool: complementary] — Medium Violet Red sits directly opposite #137c57 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
- **Blue** #0000ff [pool] — 4 real palettes, including Kia's brand system and Warp's brand system put Blue beside #137c57, as the accent. Seen in: Kia (https://brandsweets.com/colors/brands/kia-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Instacart (https://brandsweets.com/colors/brands/instacart-com), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #137c57: 4 real palettes, including Clay & Linen and Wellness, as the lead colour. Seen in: Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Wellness (https://brandsweets.com/palettes/warm#wellness), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Desert Road (https://brandsweets.com/palettes/warm#desert-road). — https://brandsweets.com/colors/copper
- **Denim** #1560bd [pool] — Designers have shipped Denim with #137c57: 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #137c57 in 4 real palettes, including Coinbase's brand system and Subaru's brand system, as the lead colour. Seen in: Coinbase (https://brandsweets.com/colors/brands/coinbase), Subaru (https://brandsweets.com/colors/brands/subaru-com), Xbox (https://brandsweets.com/colors/brands/xbox-com), GitHub (https://brandsweets.com/colors/brands/github). — https://brandsweets.com/colors/royalblue
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #137c57: 7 real palettes, including Riverbed and Forest Floor, as the supporting colour. Seen in: Riverbed (https://brandsweets.com/palettes/muted#riverbed), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/sage-green

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

- On white (#ffffff): 5.19:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #106547 (7.06:1)
- On black (#000000): 4.05:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #158960 (4.78:1); AA: background → #f0f0f0 (4.55:1); AAA: text → #1bac79 (7.22:1)

## Brands using this color

- **Shopify** — primary #008060 (Δ 1.463) — https://brandsweets.com/colors/brands/shopify
- **BrandSweets** — success #2f7d51 (Δ 1.641) — https://brandsweets.com/colors/brands/brandsweets

## Fonts for this mood

- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/137c57-a2beb8-d459c0-1f2c2d-e9f1eb?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: "#137c57" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.