# #39c643

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

## Values

- Hex: `#39c643`
- RGB: rgb(57, 198, 67)
- HSL: hsl(124, 55%, 50%)
- OKLCH: oklch(0.726 0.209 144)
- Relative luminance: 0.4166
- Nearest named color: Battletoad (#11cc55, Δ 1.925) — https://brandsweets.com/colors/battletoad
- Moods: neutral
- Page: https://brandsweets.com/colors/39c643

## Tints & shades

- Tints (toward white): #4dcb56, #61d168, #71d677, #84db8a, #98e19d, #ace7b0, #c0edc3, #d0f1d2, #e3f7e5, #f7fdf7
- Shades (toward black): #34b23c, #2fa237, #298e30, #257e2b, #1f6b24, #19571d, #154718, #0f3311, #0a240c, #051005

## Harmonies

- Complementary: #c639bc
- Analogous: #76c639, #39c689
- Triadic: #4339c6, #c64339
- Split-complementary: #8939c6, #c63976
- Tetradic: #3976c6, #c639bc, #c68939

## Colors that go with #39c643

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 #39c643, 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 #39c643: 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 #39c643 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 #39c643 in 9 real palettes, including Obsidian's brand system and WhatsApp's brand system, as the text colour against it. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/taupe
- **Orchid** #da70d6 [harmony: complementary] — Orchid sits directly opposite #39c643 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 #39c643: 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 #39c643 — 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 #39c643 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): 2.25:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #27862d (4.63:1); AA: background → #404040 (4.61:1); AAA: text → #1d6321 (7.35:1); AAA: background → #212121 (7.16:1)
- On black (#000000): 9.33:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Brilliant** — primary #2ccc54 (Δ 1.847) — 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/39c643-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: "#39c643" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.
