# #178a15

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

## Values

- Hex: `#178a15`
- RGB: rgb(23, 138, 21)
- HSL: hsl(119, 74%, 31%)
- OKLCH: oklch(0.552 0.177 142.6)
- Relative luminance: 0.1841
- Nearest named color: Green Bell Pepper (#228800, Δ 0.769) — https://brandsweets.com/colors/green-bell-pepper
- Moods: vivid
- Page: https://brandsweets.com/colors/178a15

## Tints & shades

- Tints (toward white): #1ca919, #20c31d, #29df26, #47e345, #66e864, #80ec7e, #9ff09d, #bdf5bc, #d8f9d7, #f6fef6
- Shades (toward black): #147c13, #137311, #11660f, #0f590d, #0d500c, #0b430a, #093508, #072806, #051f05, #031203

## Harmonies

- Complementary: #88158a
- Analogous: #518a15, #158a4d
- Triadic: #15178a, #8a1517
- Split-complementary: #4d158a, #8a1551
- Tetradic: #15518a, #88158a, #8a4d15

## Colors that go with #178a15

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 #178a15 — 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 #178a15: 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 #178a15 — 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 #178a15: 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 #178a15 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 #178a15 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 #178a15: 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 #178a15, 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): 4.48:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #168514 (4.77:1); AA: background → #050505 (4.54:1); AAA: text → #11660f (7.16:1)
- On black (#000000): 4.68:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #1cad1a (7.04:1)

## Brands using this color

- **Instacart** — secondary #108910 (Δ 0.461) — https://brandsweets.com/colors/brands/instacart-com
- **Converse** — accent #138410 (Δ 1.843) — https://brandsweets.com/colors/brands/converse-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/178a15-a2bea5-964edf-1f2d25-edf1e9?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: "#178a15" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.