# #217d37

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

## Values

- Hex: `#217d37`
- RGB: rgb(33, 125, 55)
- HSL: hsl(134, 58%, 31%)
- OKLCH: oklch(0.52 0.135 147.5)
- Relative luminance: 0.1527
- Nearest named color: Forestial (#007733, Δ 2.372) — https://brandsweets.com/colors/forestial
- Moods: neutral
- Page: https://brandsweets.com/colors/217d37

## Tints & shades

- Tints (toward white): #299943, #2fb14d, #3acb5b, #56d273, #72da8a, #8ae09e, #a6e7b6, #c3efcd, #dbf5e1, #f7fdf8
- Shades (toward black): #1e7131, #1c692e, #195d29, #155123, #134920, #103c1a, #0d3015, #0a2410, #071c0c, #041007

## Harmonies

- Complementary: #7d2168
- Analogous: #3a7d21, #217d64
- Triadic: #37217d, #7d3721
- Split-complementary: #64217d, #7d213a
- Tetradic: #213a7d, #7d2168, #7d6421

## Colors that go with #217d37

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 body-text near-black for #217d37: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. 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: triadic] — Crimson completes a triad with #217d37 — 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), 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 #217d37 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Xbox (https://brandsweets.com/colors/brands/xbox-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Subaru (https://brandsweets.com/colors/brands/subaru-com), Console Light (https://brandsweets.com/palettes/technical#console-light). — https://brandsweets.com/colors/royalblue
- **Dark Orchid** #9932cc [harmony, pool: complementary] — Dark Orchid sits directly opposite #217d37 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock). — https://brandsweets.com/colors/darkorchid
- **Blue** #0000ff [pool] — 4 real palettes, including Kia's brand system and Instacart's brand system put Blue beside #217d37, as the accent. Seen in: Kia (https://brandsweets.com/colors/brands/kia-com), Instacart (https://brandsweets.com/colors/brands/instacart-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Rolex (https://brandsweets.com/colors/brands/rolex-com). — https://brandsweets.com/colors/blue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #217d37: 6 real palettes, including Xbox's brand system and Intel's brand system, as the supporting colour. Seen in: Xbox (https://brandsweets.com/colors/brands/xbox-com), 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). — https://brandsweets.com/colors/denim
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #217d37: 4 real palettes, including Olive Grove and Forest Floor, as the supporting colour. Seen in: Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/sage-green
- **Taupe** #483c32 [pool] — Taupe is paired with #217d37 in 14 real palettes, including Acer's brand system and 7-Eleven's brand system, as that palette's text colour. Seen in: Acer (https://brandsweets.com/colors/brands/acer-com), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Subaru (https://brandsweets.com/colors/brands/subaru-com), Instacart (https://brandsweets.com/colors/brands/instacart-com). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 5.18:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1b652c (7.13:1)
- On black (#000000): 4.05:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #24893c (4.72:1); AA: background → #f0f0f0 (4.55:1); AAA: text → #2ead4c (7.2:1)

## Brands using this color

- **GitHub** — success #1a7f37 (Δ 0.652) — https://brandsweets.com/colors/brands/github

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/217d37-a2beac-b559d4-1f2d29-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: "#217d37" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.