# #397f57

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

## Values

- Hex: `#397f57`
- RGB: rgb(57, 127, 87)
- HSL: hsl(146, 38%, 36%)
- OKLCH: oklch(0.54 0.095 156.1)
- Relative luminance: 0.1674
- Nearest named color: Amazon (#387b54, Δ 1.22) — https://brandsweets.com/colors/amazon
- Moods: neutral
- Page: https://brandsweets.com/colors/397f57

## Tints & shades

- Tints (toward white): #429466, #4ca974, #61b886, #76c197, #8bcba7, #a0d4b7, #b5dec7, #cee9d9, #e3f2ea, #f8fcfa
- Shades (toward black): #347450, #2f6a49, #295b3f, #245138, #204630, #1b3c29, #163122, #102318, #0b1911, #060e0a

## Harmonies

- Complementary: #7f3960
- Analogous: #3e7f39, #397f7a
- Triadic: #57397f, #7f5739
- Split-complementary: #7a397f, #7f393e
- Tetradic: #393e7f, #7f3960, #7f7a39

## Colors that go with #397f57

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 #397f57: 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), N26 (https://brandsweets.com/colors/brands/n26-com), Stanley (https://brandsweets.com/colors/brands/stanley1913-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #397f57: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix), Coinbase (https://brandsweets.com/colors/brands/coinbase), 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 #397f57 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 #397f57, 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
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Forest Floor and BrandSweets's brand system put Champagne beside #397f57, as that palette's text colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/champagne
- **Copper** #b87333 [pool] — Designers have shipped Copper with #397f57: 5 real palettes, including Wellness and Riverbed, as the supporting colour. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Desert Road (https://brandsweets.com/palettes/warm#desert-road). — https://brandsweets.com/colors/copper
- **Denim** #1560bd [pool] — Designers have shipped Denim with #397f57: 7 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
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #397f57 in 4 real palettes, including Mid-Century and Sapphire & Gold, as the accent. Seen in: Mid-Century (https://brandsweets.com/palettes/warm#mid-century), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold), Fireside (https://brandsweets.com/palettes/dark#fireside), Harvest (https://brandsweets.com/palettes/warm#harvest). — https://brandsweets.com/colors/goldenrod

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

- On white (#ffffff): 4.83:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #2c6344 (7.06:1)
- On black (#000000): 4.35:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #3a825a (4.52:1); AA: background → #f7f7f7 (4.51:1); AAA: text → #4ca974 (7.23:1)

## Brands using this color

- **BrandSweets** — success #2f7d51 (Δ 1.357) — https://brandsweets.com/colors/brands/brandsweets
- **Asana** — accent #468254 (Δ 1.672) — https://brandsweets.com/colors/brands/asana-com
- **Five Guys** — accent #468254 (Δ 1.672) — https://brandsweets.com/colors/brands/fiveguys-com
- **Intel** — accent #468254 (Δ 1.672) — https://brandsweets.com/colors/brands/intel-com
- **Jack Daniel's** — accent #468254 (Δ 1.672) — https://brandsweets.com/colors/brands/jackdaniels-com
- **Netflix** — secondary #468254 (Δ 1.672) — https://brandsweets.com/colors/brands/netflix
- **Paramount+** — accent #468254 (Δ 1.672) — https://brandsweets.com/colors/brands/paramountplus-com
- **Subaru** — accent #468254 (Δ 1.672) — https://brandsweets.com/colors/brands/subaru-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/397f57-a2beb1-ce59d4-1f2d2b-eaf1e9?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: "#397f57" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.