# #3fa665

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

## Values

- Hex: `#3fa665`
- RGB: rgb(63, 166, 101)
- HSL: hsl(142, 45%, 45%)
- OKLCH: oklch(0.649 0.136 152.7)
- Relative luminance: 0.2927
- Nearest named color: Jade (#00a86b, Δ 2.023) — https://brandsweets.com/colors/jade
- Moods: neutral
- Page: https://brandsweets.com/colors/3fa665

## Tints & shades

- Tints (toward white): #46b970, #5cc181, #6fc890, #81cf9e, #97d8af, #aadfbd, #bce6cc, #cfedda, #e5f5eb, #f8fcf9
- Shades (toward black): #3a985c, #348953, #2e7a4a, #296b41, #235c38, #1c4a2d, #163b24, #112c1b, #0b1e12, #060f09

## Harmonies

- Complementary: #a63f81
- Analogous: #4da63f, #3fa699
- Triadic: #653fa6, #a6653f
- Split-complementary: #993fa6, #a63f4d
- Tetradic: #3f4da6, #a63f81, #a6993f

## Colors that go with #3fa665

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 #3fa665: softer than #000 and cool enough to feel like part of the same palette. Seen in: Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Zendesk (https://brandsweets.com/colors/brands/zendesk-com), N26 (https://brandsweets.com/colors/brands/n26-com), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 5 real palettes, including Unity's brand system and Spotify's brand system put Blue beside #3fa665, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify), Kia (https://brandsweets.com/colors/brands/kia-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #3fa665 in 5 real palettes, including DuckDuckGo's brand system and Diner, as the supporting colour. Seen in: DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Diner (https://brandsweets.com/palettes/vivid#diner), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #3fa665: 5 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
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Fintech Trust and Telehealth put Midnight Blue beside #3fa665, as the text colour against it. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #3fa665 in 6 real palettes, including Console Light and Telehealth, as the lead colour. Seen in: Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #3fa665 in 17 real palettes, including Undergrowth and Chime's brand system, as the surface under it. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Chime (https://brandsweets.com/colors/brands/chime-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/taupe
- **Medium Orchid** #ba55d3 [harmony: complementary] — Medium Orchid sits directly opposite #3fa665 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/mediumorchid

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

- On white (#ffffff): 3.06:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #328551 (4.56:1); AA: background → #2b2b2b (4.62:1); AAA: text → #26643d (7.06:1)
- On black (#000000): 6.85:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #41aa67 (7.17:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/3fa665-a2beaf-c659d4-1f2d2a-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: "#3fa665" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.