# #3fcaa1

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

## Values

- Hex: `#3fcaa1`
- RGB: rgb(63, 202, 161)
- HSL: hsl(162, 57%, 52%)
- OKLCH: oklch(0.755 0.133 169.1)
- Relative luminance: 0.4587
- Nearest named color: mediumaquamarine (#66cdaa, Δ 3.166) — https://brandsweets.com/colors/mediumaquamarine
- Moods: neutral
- Page: https://brandsweets.com/colors/3fcaa1

## Tints & shades

- Tints (toward white): #53d0aa, #63d4b2, #77dabc, #87dec4, #9be4ce, #afe9d8, #bfede0, #d3f3e9, #e3f7f1, #f7fdfb
- Shades (toward black): #34bc93, #2ea884, #2a9877, #248467, #1f7058, #195c48, #144838, #0f382c, #0a241c, #04100d

## Harmonies

- Complementary: #ca3f69
- Analogous: #3fca5b, #3faeca
- Triadic: #a13fca, #caa13f
- Split-complementary: #ca3fae, #ca5b3f
- Tetradic: #5b3fca, #ca3f69, #aeca3f

## Colors that go with #3fcaa1

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 #3fcaa1: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Hot Pink** #ff69b4 [harmony, pool: complementary] — Hot Pink sits directly opposite #3fcaa1 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/hotpink
- **Blue** #0000ff [pool] — 5 real palettes, including Unity's brand system and Canva's brand system put Blue beside #3fcaa1, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Canva (https://brandsweets.com/colors/brands/canva-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #3fcaa1 in 4 real palettes, including DuckDuckGo's brand system and Tiffany & Co.'s brand system, as the supporting colour. Seen in: DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Formula 1 (https://brandsweets.com/colors/brands/formula1-com). — https://brandsweets.com/colors/crimson
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Fresh Juice and Crayon Box put Mustard Yellow beside #3fcaa1, as the supporting colour. Seen in: Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Meadow (https://brandsweets.com/palettes/light#meadow), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove). — https://brandsweets.com/colors/mustard
- **Taupe** #483c32 [pool] — Taupe is paired with #3fcaa1 in 18 real palettes, including Crayon Box and Chime's brand system, as the text colour against it. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Chime (https://brandsweets.com/colors/brands/chime-com), Resort (https://brandsweets.com/palettes/light#resort), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com). — https://brandsweets.com/colors/taupe
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #3fcaa1: 4 real palettes, including Resort and Pine & Birch, as the accent. Seen in: Resort (https://brandsweets.com/palettes/light#resort), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Oatly (https://brandsweets.com/colors/brands/oatly-com). — https://brandsweets.com/colors/wheat
- **Light Coral** #f08080 [harmony, pool: split] — Light Coral is a split-complement of #3fcaa1: 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

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

- On white (#ffffff): 2.06:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #248467 (4.59:1); AA: background → #474747 (4.5:1); AAA: text → #1b644e (7.05:1); AAA: background → #292929 (7.05:1)
- On black (#000000): 10.17:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/3fcaa1-a2beb9-d459b9-1f2b2d-e9f1eb?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: "#3fcaa1" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.