# #37864d

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

## Values

- Hex: `#37864d`
- RGB: rgb(55, 134, 77)
- HSL: hsl(137, 42%, 37%)
- OKLCH: oklch(0.556 0.117 150.1)
- Relative luminance: 0.184
- Nearest named color: seagreen (#2e8b57, Δ 1.621) — https://brandsweets.com/colors/seagreen
- Moods: neutral
- Page: https://brandsweets.com/colors/37864d

## Tints & shades

- Tints (toward white): #409c5a, #48b166, #5cbc77, #72c589, #8bd09f, #a1d9b1, #b7e1c3, #ccead5, #e2f3e7, #f8fcf9
- Shades (toward black): #327b47, #2c6d3f, #286238, #235732, #1f4c2c, #193e23, #15331d, #102817, #0a190f, #060e08

## Harmonies

- Complementary: #863770
- Analogous: #488637, #378675
- Triadic: #4d3786, #864d37
- Split-complementary: #753786, #863748
- Tetradic: #374886, #863770, #867537

## Colors that go with #37864d

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 #37864d: 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
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #37864d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. 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), Console Light (https://brandsweets.com/palettes/technical#console-light). — https://brandsweets.com/colors/royalblue
- **Medium Violet Red** #c71585 [harmony, pool: complementary] — Medium Violet Red sits directly opposite #37864d 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
- **Copper** #b87333 [pool] — Designers have shipped Copper with #37864d: 4 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), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #37864d in 6 real palettes, including Coinbase's brand system and Five Guys's brand system. 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #37864d: 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 Paramount+'s brand system and Tide Pool put Midnight Blue beside #37864d, as the supporting colour. Seen in: Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/midnightblue
- **Rust** #b7410e [harmony, pool: triadic] — Rust completes a triad with #37864d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Magazine Ochre (https://brandsweets.com/palettes/editorial#magazine-ochre), Gallery (https://brandsweets.com/palettes/editorial#gallery), Harvest (https://brandsweets.com/palettes/warm#harvest). — https://brandsweets.com/colors/rust

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

- On white (#ffffff): 4.49:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #35824b (4.72:1); AA: background → #050505 (4.54:1); AAA: text → #286238 (7.26:1)
- On black (#000000): 4.68:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #46aa62 (7.19:1)

## Brands using this color

- **Lemon Squeezy** — secondary #1e874c (Δ 1.5) — https://brandsweets.com/colors/brands/lemonsqueezy-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/37864d-a2bead-bb59d4-1f2d29-ebf1e9?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: "#37864d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.