# #3fc641

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

## Values

- Hex: `#3fc641`
- RGB: rgb(63, 198, 65)
- HSL: hsl(121, 54%, 51%)
- OKLCH: oklch(0.728 0.208 143.3)
- Relative luminance: 0.4183
- Nearest named color: Battletoad (#11cc55, Δ 2.072) — https://brandsweets.com/colors/battletoad
- Moods: neutral
- Page: https://brandsweets.com/colors/3fc641

## Tints & shades

- Tints (toward white): #52cb54, #62d064, #76d677, #89dc8b, #9de29e, #ade6ad, #c0ecc1, #d4f2d4, #e4f7e4, #f7fdf7
- Shades (toward black): #36b538, #31a533, #2b912d, #267e27, #216e22, #1b5a1c, #154716, #0f3310, #0b230b, #051005

## Harmonies

- Complementary: #c63fc3
- Analogous: #80c63f, #3fc684
- Triadic: #413fc6, #c6413f
- Split-complementary: #843fc6, #c63f80
- Tetradic: #3f80c6, #c63fc3, #c6843f

## Colors that go with #3fc641

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 #3fc641, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Spotify (https://brandsweets.com/colors/brands/spotify), Unity (https://brandsweets.com/colors/brands/unity-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #3fc641: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Docker (https://brandsweets.com/colors/brands/docker-com), Zendesk (https://brandsweets.com/colors/brands/zendesk-com). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #3fc641 in 6 real palettes, including Brilliant's brand system and Docker's brand system, as the accent. Seen in: Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Docker (https://brandsweets.com/colors/brands/docker-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #3fc641 in 9 real palettes, including Obsidian's brand system and Minecraft's brand system, as the text colour against it. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/taupe
- **Orchid** #da70d6 [harmony: complementary] — Orchid sits directly opposite #3fc641 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/orchid
- **Hot Pink** #ff69b4 [harmony, pool: split] — Hot Pink is a split-complement of #3fc641: 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 #3fc641 — 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 Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #3fc641 in 3 real palettes, including 7-Eleven's brand system and Undergrowth, as the supporting colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/darkolivegreen

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

- On white (#ffffff): 2.24:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #288629 (4.63:1); AA: background → #404040 (4.62:1); AAA: text → #1e6620 (7.06:1); AAA: background → #212121 (7.18:1)
- On black (#000000): 9.37:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Brilliant** — primary #2ccc54 (Δ 1.909) — 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/3fc641-a2bea6-9b4edf-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: "#3fc641" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.