# #3fcf49

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

## Values

- Hex: `#3fcf49`
- RGB: rgb(63, 207, 73)
- HSL: hsl(124, 60%, 53%)
- OKLCH: oklch(0.752 0.213 144)
- Relative luminance: 0.4616
- Nearest named color: Lime Green (#32cd32, Δ 1.907) — https://brandsweets.com/colors/limegreen
- Moods: vivid
- Page: https://brandsweets.com/colors/3fcf49

## Tints & shades

- Tints (toward white): #54d45c, #64d86c, #78dd7f, #89e18f, #9de7a2, #adebb1, #c2f0c5, #d2f4d4, #e7f9e8, #f7fdf7
- Shades (toward black): #31c43b, #2caf35, #279b2f, #228728, #1e7623, #18621d, #134e17, #0e3911, #09250b, #041005

## Harmonies

- Complementary: #cf3fc5
- Analogous: #7ecf3f, #3fcf91
- Triadic: #493fcf, #cf493f
- Split-complementary: #913fcf, #cf3f7e
- Tetradic: #3f7ecf, #cf3fc5, #cf913f

## Colors that go with #3fcf49

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] — 4 real palettes, including Minecraft's brand system and Spotify's brand system put Blue beside #3fcf49, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Spotify (https://brandsweets.com/colors/brands/spotify), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #3fcf49: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Zendesk (https://brandsweets.com/colors/brands/zendesk-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #3fcf49 in 4 real palettes, including Brilliant's brand system and MongoDB's brand system, as the accent. Seen in: Brilliant (https://brandsweets.com/colors/brands/brilliant-org), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Docker (https://brandsweets.com/colors/brands/docker-com), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #3fcf49 in 9 real palettes, including WhatsApp's brand system and Obsidian's brand system, as the supporting colour. Seen in: WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #3fcf49 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/violet
- **Hot Pink** #ff69b4 [harmony, pool: split] — Hot Pink is a split-complement of #3fcf49: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/hotpink
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #3fcf49 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/cornflowerblue
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #3fcf49 in 3 real palettes, including Learning App and Playground, as the accent. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Playground (https://brandsweets.com/palettes/bold#playground), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove). — https://brandsweets.com/colors/darkorange

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

- On white (#ffffff): 2.05:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #228728 (4.6:1); AA: background → #474747 (4.53:1); AAA: text → #1a661f (7.08:1); AAA: background → #292929 (7.09:1)
- On black (#000000): 10.23:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Brilliant** — primary #2ccc54 (Δ 1.613) — https://brandsweets.com/colors/brands/brilliant-org

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/3fcf49-a2bea7-a24edf-1f2d26-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: "#3fcf49" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.