# #288a39

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

## Values

- Hex: `#288a39`
- RGB: rgb(40, 138, 57)
- HSL: hsl(130, 55%, 35%)
- OKLCH: oklch(0.559 0.148 146.1)
- Relative luminance: 0.1892
- Nearest named color: Broccoli Paradise (#008833, Δ 1.721) — https://brandsweets.com/colors/broccoli-paradise
- Moods: neutral
- Page: https://brandsweets.com/colors/288a39

## Tints & shades

- Tints (toward white): #2fa242, #37be4e, #49ca5f, #61d174, #7dd98c, #94e0a1, #ace7b6, #c4eecb, #dff6e3, #f7fdf8
- Shades (toward black): #257e34, #21732f, #1e672a, #1a5b25, #174f20, #123f1a, #0f3315, #0b2810, #081c0b, #051006

## Harmonies

- Complementary: #8a287a
- Analogous: #498a28, #288a6a
- Triadic: #39288a, #8a3928
- Split-complementary: #6a288a, #8a2849
- Tetradic: #28498a, #8a287a, #8a6a28

## Colors that go with #288a39

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 #288a39: 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), N26 (https://brandsweets.com/colors/brands/n26-com), Stanley (https://brandsweets.com/colors/brands/stanley1913-com). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #288a39 — 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 #288a39 — 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), Xbox (https://brandsweets.com/colors/brands/xbox-com), 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 #288a39 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #288a39: 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
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Paramount+'s brand system and Telehealth put Midnight Blue beside #288a39, as the supporting colour. Seen in: Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/midnightblue
- **Taupe** #483c32 [pool] — Taupe is paired with #288a39 in 10 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), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/taupe
- **Medium Violet Red** #c71585 [harmony, pool: split] — Medium Violet Red is a split-complement of #288a39: 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): 4.39:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #278637 (4.61:1); AA: background → #0a0a0a (4.51:1); AAA: text → #1d6328 (7.32:1)
- On black (#000000): 4.78:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #32ae47 (7.28:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/288a39-a2beaa-b14edf-1f2d28-ecf1e9?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: "#288a39" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.