# #43a63a

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

## Values

- Hex: `#43a63a`
- RGB: rgb(67, 166, 58)
- HSL: hsl(115, 48%, 44%)
- OKLCH: oklch(0.644 0.173 142)
- Relative luminance: 0.2877
- Nearest named color: Fennel Fiasco (#00aa44, Δ 2.315) — https://brandsweets.com/colors/fennel-fiasco
- Moods: neutral
- Page: https://brandsweets.com/colors/43a63a

## Tints & shades

- Tints (toward white): #4bb941, #5ec355, #70ca68, #86d27f, #97d992, #a9dfa4, #bfe7bb, #d1eece, #e6f6e5, #f8fcf7
- Shades (toward black): #3d9735, #378830, #31792a, #2b6a25, #255b20, #1f4b1b, #183c15, #122d10, #0c1e0b, #060f05

## Harmonies

- Complementary: #9d3aa6
- Analogous: #79a63a, #3aa667
- Triadic: #3a43a6, #a63a43
- Split-complementary: #673aa6, #a63a79
- Tetradic: #3a79a6, #9d3aa6, #a6673a

## Colors that go with #43a63a

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 #43a63a: 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), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), N26 (https://brandsweets.com/colors/brands/n26-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 5 real palettes, including Spotify's brand system and Unity's brand system put Blue beside #43a63a, as the accent. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Unity (https://brandsweets.com/colors/brands/unity-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Instacart (https://brandsweets.com/colors/brands/instacart-com). — https://brandsweets.com/colors/blue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #43a63a in 5 real palettes, including Console Light and Telehealth, as the lead colour. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #43a63a in 9 real palettes, including Meadow and Obsidian's brand system, as the text colour against it. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Acer (https://brandsweets.com/colors/brands/acer-com), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth). — https://brandsweets.com/colors/taupe
- **Medium Orchid** #ba55d3 [harmony: complementary] — Medium Orchid sits directly opposite #43a63a 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/mediumorchid
- **Medium Purple** #9370db [harmony, pool: split] — Medium Purple is a split-complement of #43a63a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Next.js (https://brandsweets.com/colors/brands/nextjs-org), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/mediumpurple
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #43a63a — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #43a63a in 3 real palettes, including DuckDuckGo's brand system and Coinbase's brand system, as the supporting colour. Seen in: DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Coinbase (https://brandsweets.com/colors/brands/coinbase), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/crimson

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

- On white (#ffffff): 3.11:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #36842e (4.67:1); AA: background → #2b2b2b (4.55:1); AAA: text → #286222 (7.34:1)
- On black (#000000): 6.75:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #45aa3c (7.07:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/43a63a-a2bea3-8d4edf-1f2d24-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: "#43a63a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.