# #31901d

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

## Values

- Hex: `#31901d`
- RGB: rgb(49, 144, 29)
- HSL: hsl(110, 66%, 34%)
- OKLCH: oklch(0.575 0.172 140.7)
- Relative luminance: 0.2069
- Nearest named color: Emerald (#028f1e, Δ 1.772) — https://brandsweets.com/colors/emerald
- Moods: vivid
- Page: https://brandsweets.com/colors/31901d

## Tints & shades

- Tints (toward white): #39a923, #43c729, #52d638, #6cdc56, #82e26f, #98e788, #b2eda6, #c8f2c0, #e2f8dd, #f8fdf7
- Shades (toward black): #2c831b, #287718, #246a16, #1f5d13, #1b5010, #17440e, #13370b, #0e2a09, #0a1e06, #061103

## Harmonies

- Complementary: #7d1d90
- Analogous: #6a901d, #1d9044
- Triadic: #1d3190, #901d31
- Split-complementary: #441d90, #901d6a
- Tetradic: #1d6a90, #7d1d90, #90441d

## Colors that go with #31901d

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Crimson** #dc143c [harmony, pool: triadic] — Crimson completes a triad with #31901d — 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), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com). — https://brandsweets.com/colors/crimson
- **Royal Blue** #4169e1 [harmony, pool: triadic] — Royal Blue completes a triad with #31901d — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. 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
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #31901d: 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #31901d: 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 #31901d 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), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/taupe
- **Dark Orchid** #9932cc [harmony: complementary] — Dark Orchid sits directly opposite #31901d 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 #31901d: 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
- **Medium Slate Blue** #7b68ee [harmony, pool: split] — Medium Slate Blue is a split-complement of #31901d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Clerk (https://brandsweets.com/colors/brands/clerk-com). — https://brandsweets.com/colors/mediumslateblue

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

- On white (#ffffff): 4.09:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2e871c (4.57:1); AA: background → #141414 (4.51:1); AAA: text → #226615 (7.05:1)
- On black (#000000): 5.14:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #3bae24 (7.27:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/31901d-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: "#31901d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.