# #218a19

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

## Values

- Hex: `#218a19`
- RGB: rgb(33, 138, 25)
- HSL: hsl(116, 69%, 32%)
- OKLCH: oklch(0.554 0.173 142.1)
- Relative luminance: 0.1857
- Nearest named color: Forest Green (#228b22, Δ 0.594) — https://brandsweets.com/colors/forestgreen
- Moods: vivid
- Page: https://brandsweets.com/colors/218a19

## Tints & shades

- Tints (toward white): #28a81f, #2ec224, #3bd930, #54de4a, #70e368, #8de986, #a5eea0, #c2f3be, #daf8d8, #f7fdf6
- Shades (toward black): #1e7d17, #1b7015, #196713, #165a11, #124e0e, #0f410c, #0c3409, #0a2b08, #071e06, #041103

## Harmonies

- Complementary: #82198a
- Analogous: #598a19, #198a4a
- Triadic: #19218a, #8a1921
- Split-complementary: #4a198a, #8a1959
- Tetradic: #19598a, #82198a, #8a4a19

## Colors that go with #218a19

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #218a19 — 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), Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/royalblue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #218a19: 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), Zendesk (https://brandsweets.com/colors/brands/zendesk-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #218a19 — 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). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #218a19: 5 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
- **Taupe** #483c32 [pool] — Taupe is paired with #218a19 in 8 real palettes, including Instacart's brand system and Acer's brand system, as the lead colour. Seen in: Instacart (https://brandsweets.com/colors/brands/instacart-com), Acer (https://brandsweets.com/colors/brands/acer-com), Subaru (https://brandsweets.com/colors/brands/subaru-com), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com). — https://brandsweets.com/colors/taupe
- **Dark Orchid** #9932cc [harmony: complementary] — Dark Orchid sits directly opposite #218a19 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/darkorchid
- **Medium Violet Red** #c71585 [harmony, pool: split] — Medium Violet Red is a split-complement of #218a19: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Bun (https://brandsweets.com/colors/brands/bun-sh). — https://brandsweets.com/colors/mediumvioletred
- **Blue** #0000ff [pool] — 3 real palettes, including Instacart's brand system and Kia's brand system put Blue beside #218a19, as the accent. Seen in: Instacart (https://brandsweets.com/colors/brands/instacart-com), Kia (https://brandsweets.com/colors/brands/kia-com), Warp (https://brandsweets.com/colors/brands/warp-dev). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 4.45:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #208619 (4.68:1); AA: background → #050505 (4.58:1); AAA: text → #196713 (7.02:1)
- On black (#000000): 4.71:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #29ac20 (7.02:1)

## Brands using this color

- **Instacart** — secondary #108910 (Δ 0.911) — https://brandsweets.com/colors/brands/instacart-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/218a19-a2bea3-8f4edf-1f2d24-eef1e9?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: "#218a19" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.