# #237b4e

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

## Values

- Hex: `#237b4e`
- RGB: rgb(35, 123, 78)
- HSL: hsl(149, 56%, 31%)
- OKLCH: oklch(0.519 0.109 156.5)
- Relative luminance: 0.1507
- Nearest named color: Amazon (#387b54, Δ 1.864) — https://brandsweets.com/colors/amazon
- Moods: neutral
- Page: https://brandsweets.com/colors/237b4e

## Tints & shades

- Tints (toward white): #2b975f, #31af6e, #3cc880, #58d092, #74d8a4, #8cdeb4, #a7e6c6, #c3eed8, #dbf5e8, #f7fdfa
- Shades (toward black): #1f6f46, #1d6741, #1a5b3a, #165032, #14482d, #113c26, #0d301e, #0a2417, #081c12, #04100a

## Harmonies

- Complementary: #7b2351
- Analogous: #247b23, #237b7a
- Triadic: #4e237b, #7b4e23
- Split-complementary: #7a237b, #7b2324
- Tetradic: #23247b, #7b2351, #7b7a23

## Colors that go with #237b4e

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 #237b4e: 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), Stanley (https://brandsweets.com/colors/brands/stanley1913-com), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: split] — Crimson is a split-complement of #237b4e: 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
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #237b4e — 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), GitHub (https://brandsweets.com/colors/brands/github). — https://brandsweets.com/colors/royalblue
- **Medium Violet Red** #c71585 [harmony, pool: complementary] — Medium Violet Red sits directly opposite #237b4e 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 #237b4e, 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 #237b4e: 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 #237b4e: 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
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #237b4e: 6 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), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch). — https://brandsweets.com/colors/sage-green

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

- On white (#ffffff): 5.23:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1c633f (7.23:1)
- On black (#000000): 4.01:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #268755 (4.68:1); AA: background → #f0f0f0 (4.59:1); AAA: text → #30ab6c (7.17:1)

## Brands using this color

- **BrandSweets** — success #2f7d51 (Δ 1.144) — https://brandsweets.com/colors/brands/brandsweets

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/237b4e-a2beb3-d459d4-1f2d2c-e9f1e9?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: "#237b4e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.