# #3acf73

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

## Values

- Hex: `#3acf73`
- RGB: rgb(58, 207, 115)
- HSL: hsl(143, 61%, 52%)
- OKLCH: oklch(0.756 0.18 151.6)
- Relative luminance: 0.4676
- Nearest named color: Emerald Green (#50c878, Δ 2.479) — https://brandsweets.com/colors/emerald-green
- Moods: vivid
- Page: https://brandsweets.com/colors/3acf73

## Tints & shades

- Tints (toward white): #4ed482, #5fd88d, #73dd9c, #84e1a8, #98e6b6, #adebc5, #bdefd0, #d2f4df, #e2f8eb, #f7fdf9
- Shades (toward black): #2fc167, #2aac5c, #269c53, #218748, #1c733d, #175e32, #124a27, #0e391f, #092514, #041009

## Harmonies

- Complementary: #cf3a96
- Analogous: #4bcf3a, #3acfbe
- Triadic: #733acf, #cf733a
- Split-complementary: #be3acf, #cf3a4b
- Tetradic: #3a4bcf, #cf3a96, #cfbe3a

## Colors that go with #3acf73

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 text near-black for #3acf73: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Minecraft's brand system and Unity's brand system put Blue beside #3acf73, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Meadow and Fresh Juice put Mustard Yellow beside #3acf73, as the supporting colour. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #3acf73 in 4 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 #3acf73 in 10 real palettes, including WhatsApp's brand system and Chime's brand system, as the supporting colour. Seen in: WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Chime (https://brandsweets.com/colors/brands/chime-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #3acf73 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
- **Light Coral** #f08080 [harmony, pool: split] — Light Coral is a split-complement of #3acf73: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/lightcoral
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #3acf73 — 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

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

- On white (#ffffff): 2.03:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #218748 (4.54:1); AA: background → #474747 (4.58:1); AAA: text → #186334 (7.31:1); AAA: background → #292929 (7.17:1)
- On black (#000000): 10.35:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **WhatsApp** — accent #43cd66 (Δ 1.349) — 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/3acf73-a2beb0-c859d4-1f2d2b-eaf1e9?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: "#3acf73" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.