# #288b04

A color — vivid, dark, luxury, bold. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#288b04`
- RGB: rgb(40, 139, 4)
- HSL: hsl(104, 94%, 28%)
- OKLCH: oklch(0.558 0.179 140.2)
- Relative luminance: 0.1893
- Nearest named color: Green Bell Pepper (#228800, Δ 1.017) — https://brandsweets.com/colors/green-bell-pepper
- Moods: vivid, dark, luxury, bold
- Page: https://brandsweets.com/colors/288b04

## Tints & shades

- Tints (toward white): #32ad05, #3cd006, #46f207, #5ef825, #77f948, #91fa6b, #abfb8d, #c4fdb0, #defed2, #f8fff5
- Shades (toward black): #258104, #217204, #1e6803, #1a5903, #174f02, #144502, #103602, #0d2d01, #091e01, #061401

## Harmonies

- Complementary: #67048b
- Analogous: #6b8b04, #048b24
- Triadic: #04288b, #8b0428
- Split-complementary: #24048b, #8b046b
- Tetradic: #046b8b, #67048b, #8b2404

## Colors that go with #288b04

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 #288b04 — 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 #288b04: 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 #288b04 — 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 #288b04: 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 #288b04 in 6 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 #288b04 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 #288b04: 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
- **Midnight Blue** #191970 [pool] — 3 real palettes, including Telehealth and Paramount+'s brand system put Midnight Blue beside #288b04, as the text colour against it. Seen in: Telehealth (https://brandsweets.com/palettes/modern#telehealth), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 4.39:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #278604 (4.67:1); AA: background → #0a0a0a (4.51:1); AAA: text → #1d6303 (7.4:1)
- On black (#000000): 4.79:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #32ad05 (7.12:1)

## Brands using this color

- **Instacart** — secondary #108910 (Δ 1.246) — https://brandsweets.com/colors/brands/instacart-com

## Fonts for this mood

- luxury: https://brandsweets.com/fonts/mood/luxury
- bold: https://brandsweets.com/fonts/mood/bold

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/288b04-a6bea2-724edf-1f2d22-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: "#288b04" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.