# #4cc866

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

## Values

- Hex: `#4cc866`
- RGB: rgb(76, 200, 102)
- HSL: hsl(133, 53%, 54%)
- OKLCH: oklch(0.741 0.176 147.6)
- Relative luminance: 0.438
- Nearest named color: Emerald Green (#50c878, Δ 2.204) — https://brandsweets.com/colors/emerald-green
- Moods: neutral
- Page: https://brandsweets.com/colors/4cc866

## Tints & shades

- Tints (toward white): #5bcd74, #6fd384, #7ed792, #92dda2, #a1e2af, #b1e7bd, #c4edcd, #d4f2db, #e8f8eb, #f7fdf8
- Shades (toward black): #3bbf57, #35ac4f, #2f9846, #29853d, #237134, #1d5e2b, #174a22, #113719, #0b2310, #051007

## Harmonies

- Complementary: #c84cad
- Analogous: #6fc84c, #4cc8a5
- Triadic: #664cc8, #c8664c
- Split-complementary: #a54cc8, #c84c6f
- Tetradic: #4c6fc8, #c84cad, #c8a54c

## Colors that go with #4cc866

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 #4cc866: 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), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Minecraft's brand system and Spotify's brand system put Blue beside #4cc866, 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #4cc866 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), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #4cc866 in 10 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), Chime (https://brandsweets.com/colors/brands/chime-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #4cc866 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 #4cc866: 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 #4cc866 — 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 #4cc866 in 3 real palettes, including Undergrowth and 7-Eleven's brand system, as the supporting colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor). — https://brandsweets.com/colors/darkolivegreen

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

- On white (#ffffff): 2.15:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #29853d (4.65:1); AA: background → #424242 (4.67:1); AAA: text → #1f652e (7.1:1); AAA: background → #262626 (7.03:1)
- On black (#000000): 9.76:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **WhatsApp** — accent #43cd66 (Δ 1.442) — https://brandsweets.com/colors/brands/whatsapp-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/4cc866-a2beab-b84edf-1f2d28-ebf1e9?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: "#4cc866" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.