# #4b901d

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

## Values

- Hex: `#4b901d`
- RGB: rgb(75, 144, 29)
- HSL: hsl(96, 66%, 34%)
- OKLCH: oklch(0.586 0.16 136.1)
- Relative luminance: 0.2153
- Nearest named color: Overgrown Mausoleum (#448833, Δ 3.316) — https://brandsweets.com/colors/overgrown-mausoleum
- Moods: vivid
- Page: https://brandsweets.com/colors/4b901d

## Tints & shades

- Tints (toward white): #59a923, #68c729, #77d638, #8cdc56, #9de26f, #aee788, #c2eda6, #d4f2c0, #e8f8dd, #f9fdf7
- Shades (toward black): #45831b, #3e7718, #376a16, #315d13, #2a5010, #23440e, #1d370b, #162a09, #0f1e06, #091103

## Harmonies

- Complementary: #621d90
- Analogous: #84901d, #1d9029
- Triadic: #1d4b90, #901d4b
- Split-complementary: #291d90, #901d84
- Tetradic: #1d8490, #621d90, #90291d

## Colors that go with #4b901d

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 #4b901d — 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 #4b901d — 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), Coinbase (https://brandsweets.com/colors/brands/coinbase), Xbox (https://brandsweets.com/colors/brands/xbox-com). — https://brandsweets.com/colors/royalblue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #4b901d: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #4b901d: 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 #4b901d in 7 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 #4b901d 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 Slate Blue** #7b68ee [harmony, pool: split] — Medium Slate Blue is a split-complement of #4b901d: 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
- **Medium Violet Red** #c71585 [harmony, pool: split] — Medium Violet Red is a split-complement of #4b901d: 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): 3.96:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #45831b (4.65:1); AA: background → #171717 (4.53:1); AAA: text → #336114 (7.34:1)
- On black (#000000): 5.31:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #59a923 (7.12:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/4b901d-aabea2-5f4edf-1f2d20-f0f1e9?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: "#4b901d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.