# #3fa687

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

## Values

- Hex: `#3fa687`
- RGB: rgb(63, 166, 135)
- HSL: hsl(162, 45%, 45%)
- OKLCH: oklch(0.657 0.106 169.9)
- Relative luminance: 0.3008
- Nearest named color: Herbal (#29ab87, Δ 1.722) — https://brandsweets.com/colors/herbal
- Moods: neutral
- Page: https://brandsweets.com/colors/3fa687

## Tints & shades

- Tints (toward white): #46b996, #5cc1a3, #6fc8ad, #81cfb8, #97d8c4, #aadfcf, #bce6d9, #cfede4, #e5f5f0, #f8fcfb
- Shades (toward black): #3a987b, #34896f, #2e7a63, #296b57, #235c4b, #1c4a3c, #163b30, #112c24, #0b1e18, #060f0c

## Harmonies

- Complementary: #a63f5e
- Analogous: #3fa654, #3f92a6
- Triadic: #873fa6, #a6873f
- Split-complementary: #a63f92, #a6543f
- Tetradic: #543fa6, #a63f5e, #92a63f

## Colors that go with #3fa687

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 #3fa687: softer than #000 and cool enough to feel like part of the same palette. Seen in: N26 (https://brandsweets.com/colors/brands/n26-com), Coastal (https://brandsweets.com/palettes/cool#coastal), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Unity's brand system and Spotify's brand system put Blue beside #3fa687, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify), Canva (https://brandsweets.com/colors/brands/canva-com), Kia (https://brandsweets.com/colors/brands/kia-com). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #3fa687: 4 real palettes, including Clean Beauty and Wellness, as the accent. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Wellness (https://brandsweets.com/palettes/warm#wellness), Atelier (https://brandsweets.com/palettes/elegant#atelier), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #3fa687: 4 real palettes, including Spotify's brand system and Terminal, as the supporting colour. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Terminal (https://brandsweets.com/palettes/technical#terminal), Arctic (https://brandsweets.com/palettes/clean#arctic), Canva (https://brandsweets.com/colors/brands/canva-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #3fa687 in 6 real palettes, including Diner and DuckDuckGo's brand system, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #3fa687 in 4 real palettes, including Undergrowth and Forest Floor, as the supporting colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #3fa687: 6 real palettes, including Peacock and Intel's brand system, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/denim
- **Deep Pink** #ff1493 [harmony: complementary] — Deep Pink sits directly opposite #3fa687 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/deeppink

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

- On white (#ffffff): 2.99:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #318169 (4.69:1); AA: background → #2e2e2e (4.54:1); AAA: text → #24604e (7.35:1); AAA: background → #000000 (7.02:1)
- On black (#000000): 7.02:1 — 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/3fa687-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: "#3fa687" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.