# #3fa81f

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

## Values

- Hex: `#3fa81f`
- RGB: rgb(63, 168, 31)
- HSL: hsl(106, 69%, 39%)
- OKLCH: oklch(0.645 0.193 139.9)
- Relative luminance: 0.2916
- Nearest named color: Botanical Garden (#44aa11, Δ 0.928) — https://brandsweets.com/colors/botanical-garden
- Moods: vivid
- Page: https://brandsweets.com/colors/3fa81f

## Tints & shades

- Tints (toward white): #49c224, #54d82c, #69dd46, #7ee260, #93e679, #a4ea8f, #b9efa9, #cef4c3, #e3f9dd, #f8fdf6
- Shades (toward black): #3a9b1c, #348a19, #2f7d17, #286c14, #235f11, #1d4e0e, #18410c, #122f09, #0d2206, #061103

## Harmonies

- Complementary: #881fa8
- Analogous: #83a81f, #1fa843
- Triadic: #1f3fa8, #a81f3f
- Split-complementary: #431fa8, #a81f83
- Tetradic: #1f83a8, #881fa8, #a8431f

## Colors that go with #3fa81f

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

- **Blue** #0000ff [pool] — 5 real palettes, including Spotify's brand system and Minecraft's brand system put Blue beside #3fa81f, as the accent. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Instacart (https://brandsweets.com/colors/brands/instacart-com), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue
- **Dodger Blue** #1e90ff [harmony, pool: triadic] — Dodger Blue completes a triad with #3fa81f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Playground (https://brandsweets.com/palettes/bold#playground), Spline (https://brandsweets.com/colors/brands/spline-design), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/dodgerblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #3fa81f in 4 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 #3fa81f in 9 real palettes, including Acer's brand system and Obsidian's brand system, as the text colour against it. Seen in: Acer (https://brandsweets.com/colors/brands/acer-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Meadow (https://brandsweets.com/palettes/light#meadow), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/taupe
- **Medium Orchid** #ba55d3 [harmony: complementary] — Medium Orchid sits directly opposite #3fa81f 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 #3fa81f: 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
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #3fa81f: 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). — https://brandsweets.com/colors/charcoal
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #3fa81f in 3 real palettes, including Playground and Learning App, as the lead colour. Seen in: Playground (https://brandsweets.com/palettes/bold#playground), Learning App (https://brandsweets.com/palettes/playful#learning-app), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove). — https://brandsweets.com/colors/darkorange

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

- On white (#ffffff): 3.07:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #328619 (4.61:1); AA: background → #2b2b2b (4.61:1); AAA: text → #256312 (7.31:1)
- On black (#000000): 6.83:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #40ac20 (7.14:1)

## Brands using this color

- **Klaviyo** — accent #4eaa25 (Δ 1.418) — https://brandsweets.com/colors/brands/klaviyo-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/3fa81f-a5bea2-774edf-1f2d22-eff1e9?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: "#3fa81f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.