# #288a15

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

## Values

- Hex: `#288a15`
- RGB: rgb(40, 138, 21)
- HSL: hsl(110, 74%, 31%)
- OKLCH: oklch(0.556 0.172 141)
- Relative luminance: 0.1868
- Nearest named color: Forest Green (#228b22, Δ 0.694) — https://brandsweets.com/colors/forestgreen
- Moods: vivid
- Page: https://brandsweets.com/colors/288a15

## Tints & shades

- Tints (toward white): #31a919, #39c31d, #44df26, #5fe345, #7ae864, #91ec7e, #abf09d, #c6f5bc, #ddf9d7, #f7fef6
- Shades (toward black): #247c13, #227311, #1e660f, #1a590d, #17500c, #13430a, #103508, #0c2806, #091f05, #051203

## Harmonies

- Complementary: #76158a
- Analogous: #638a15, #158a3c
- Triadic: #15288a, #8a1528
- Split-complementary: #3c158a, #8a1563
- Tetradic: #15638a, #76158a, #8a3c15

## Colors that go with #288a15

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 #288a15 — 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 #288a15: 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 #288a15 — 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 #288a15: 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 #288a15 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 #288a15 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 #288a15: 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 #288a15, 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): 4.43:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #278514 (4.72:1); AA: background → #080808 (4.52:1); AAA: text → #1e660f (7.09:1)
- On black (#000000): 4.74:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #32ad1a (7.13:1)

## Brands using this color

- **Instacart** — secondary #108910 (Δ 1.142) — https://brandsweets.com/colors/brands/instacart-com
- **Shake Shack** — accent #418613 (Δ 1.96) — https://brandsweets.com/colors/brands/shakeshack-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/288a15-a3bea2-814edf-1f2d23-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: "#288a15" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.