# #289d0b

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

## Values

- Hex: `#289d0b`
- RGB: rgb(40, 157, 11)
- HSL: hsl(108, 87%, 33%)
- OKLCH: oklch(0.608 0.196 141)
- Relative luminance: 0.2459
- Nearest named color: Grass Is Greener (#3f9b0b, Δ 1.395) — https://brandsweets.com/colors/grass-is-greener
- Moods: vivid
- Page: https://brandsweets.com/colors/289d0b

## Tints & shades

- Tints (toward white): #31bf0d, #38db0f, #49ef1f, #60f13b, #7bf45d, #92f679, #adf89b, #c5fab7, #e0fcd9, #f7fef5
- Shades (toward black): #258f0a, #218109, #1d7208, #1a6407, #175b06, #144c05, #103e04, #0c3003, #092102, #051301

## Harmonies

- Complementary: #800b9d
- Analogous: #719d0b, #0b9d37
- Triadic: #0b289d, #9d0b28
- Split-complementary: #370b9d, #9d0b71
- Tetradic: #0b719d, #800b9d, #9d370b

## Colors that go with #289d0b

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 #289d0b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #289d0b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), 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 #289d0b: 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #289d0b in 5 real palettes, including Console Light and Telehealth, as the lead colour. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Xbox (https://brandsweets.com/colors/brands/xbox-com), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #289d0b in 4 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), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/taupe
- **Medium Orchid** #ba55d3 [harmony: complementary] — Medium Orchid sits directly opposite #289d0b 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/mediumorchid
- **Medium Slate Blue** #7b68ee [harmony, pool: split] — Medium Slate Blue is a split-complement of #289d0b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/mediumslateblue
- **Medium Violet Red** #c71585 [harmony, pool: split] — Medium Violet Red is a split-complement of #289d0b: 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

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

- On white (#ffffff): 3.55:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #228609 (4.69:1); AA: background → #212121 (4.54:1); AAA: text → #1a6407 (7.32:1)
- On black (#000000): 5.92:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #2cac0c (7.01:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/289d0b-a4bea2-7c4edf-1f2d23-eff1e9?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: "#289d0b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.