# #1fa37d

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

## Values

- Hex: `#1fa37d`
- RGB: rgb(31, 163, 125)
- HSL: hsl(163, 68%, 38%)
- OKLCH: oklch(0.639 0.123 167.8)
- Relative luminance: 0.2797
- Nearest named color: Bejewelled (#25a26f, Δ 1.884) — https://brandsweets.com/colors/bejewelled
- Moods: vivid
- Page: https://brandsweets.com/colors/1fa37d

## Tints & shades

- Tints (toward white): #24bc91, #29d6a5, #43dbb0, #5ce0bb, #76e5c5, #90ead0, #a9efdb, #c3f4e6, #ddf8f1, #f6fdfb
- Shades (toward black): #1d9674, #198566, #17785c, #14674f, #115a45, #0f4d3b, #0b3c2e, #092f24, #061e17, #03110d

## Harmonies

- Complementary: #a31f44
- Analogous: #1fa33c, #1f86a3
- Triadic: #7d1fa3, #a37d1f
- Split-complementary: #a31f86, #a33c1f
- Tetradic: #3c1fa3, #a31f44, #86a31f

## Colors that go with #1fa37d

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 #1fa37d: softer than #000 and cool enough to feel like part of the same palette. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), N26 (https://brandsweets.com/colors/brands/n26-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #1fa37d 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
- **Denim** #1560bd [pool] — Designers have shipped Denim with #1fa37d: 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] — 7 real palettes, including Fintech Trust and Tide Pool put Midnight Blue beside #1fa37d, as the text colour against it. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Ford (https://brandsweets.com/colors/brands/ford-com). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #1fa37d in 7 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 #1fa37d in 12 real palettes, including Rain Garden and Clean Beauty, as that palette's text colour. Seen in: Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Wellness (https://brandsweets.com/palettes/warm#wellness), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth). — https://brandsweets.com/colors/taupe
- **Deep Pink** #ff1493 [harmony: complementary] — Deep Pink sits directly opposite #1fa37d 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
- **Red** #ff0000 [harmony, pool: split] — Red is a split-complement of #1fa37d: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Heineken (https://brandsweets.com/colors/brands/heineken-com). — https://brandsweets.com/colors/red

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

- On white (#ffffff): 3.19:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #198566 (4.58:1); AA: background → #292929 (4.57:1); AAA: text → #13634c (7.2:1)
- On black (#000000): 6.59:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #21ab84 (7.22:1)

## Curated palettes containing it

- **Fintech Trust** (cool, clean, modern) — #0b3d91, #4b6a9b, #00a878, #ffffff, #0b1f3a — Navy signals custody and stability; the green accent is money moving the right way. No red anywhere except errors. — tool: https://brandsweets.com/palettes/new/0b3d91-4b6a9b-00a878-ffffff-0b1f3a — collection: https://brandsweets.com/palettes/cool

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/1fa37d-a2beb9-d459b7-1f2b2d-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: "#1fa37d" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.