# #31a57e

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

## Values

- Hex: `#31a57e`
- RGB: rgb(49, 165, 126)
- HSL: hsl(160, 54%, 42%)
- OKLCH: oklch(0.648 0.118 166.2)
- Relative luminance: 0.2907
- Nearest named color: Cosmic Green (#30a877, Δ 1.543) — https://brandsweets.com/colors/cosmic-green
- Moods: neutral
- Page: https://brandsweets.com/colors/31a57e

## Tints & shades

- Tints (toward white): #38bc90, #46c89d, #5ecfa9, #72d5b4, #89dcc0, #a1e3cd, #b4e9d7, #ccf0e4, #e0f6ee, #f7fdfb
- Shades (toward black): #2d9572, #288666, #247a5d, #206a51, #1b5a45, #164b39, #123b2d, #0e2f24, #091f18, #05100c

## Harmonies

- Complementary: #a53158
- Analogous: #31a545, #3192a5
- Triadic: #7e31a5, #a57e31
- Split-complementary: #a53192, #a54531
- Tetradic: #4531a5, #a53158, #92a531

## Colors that go with #31a57e

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 #31a57e: softer than #000 and cool enough to feel like part of the same palette. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), N26 (https://brandsweets.com/colors/brands/n26-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #31a57e 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 #31a57e: 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
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #31a57e: 4 real palettes, including Spline's brand system and Unity's brand system, as the lead colour. Seen in: Spline (https://brandsweets.com/colors/brands/spline-design), Unity (https://brandsweets.com/colors/brands/unity-com), Playground (https://brandsweets.com/palettes/bold#playground), Studio Grey (https://brandsweets.com/palettes/minimal#studio-grey). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Fintech Trust and Tide Pool put Midnight Blue beside #31a57e, 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 #31a57e in 7 real palettes, including Khan Academy's brand system and Console Light, as the accent. Seen in: Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #31a57e in 15 real palettes, including Undergrowth and Clean Beauty, as the surface under it. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Resort (https://brandsweets.com/palettes/light#resort). — https://brandsweets.com/colors/taupe
- **Deep Pink** #ff1493 [harmony: complementary] — Deep Pink sits directly opposite #31a57e 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): 3.08:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #278263 (4.71:1); AA: background → #2b2b2b (4.59:1); AAA: text → #1d624b (7.24:1)
- On black (#000000): 6.81:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #32a981 (7.13:1)

## 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/31a57e-a2beb8-d459be-1f2c2d-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: "#31a57e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.