# #339e81

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

## Values

- Hex: `#339e81`
- RGB: rgb(51, 158, 129)
- HSL: hsl(164, 51%, 41%)
- OKLCH: oklch(0.631 0.106 171.2)
- Relative luminance: 0.2674
- Nearest named color: Bulma Hair (#359e6b, Δ 3.149) — https://brandsweets.com/colors/bulma-hair
- Moods: neutral
- Page: https://brandsweets.com/colors/339e81

## Tints & shades

- Tints (toward white): #3bb594, #46c3a2, #5dcbad, #74d2b9, #8bdac5, #9fe0ce, #b6e7da, #cdefe6, #e0f5ef, #f7fdfb
- Shades (toward black): #2e8e75, #2a836b, #25745f, #206452, #1d5949, #18493c, #133a2f, #0e2a23, #0a1f19, #050f0d

## Harmonies

- Complementary: #9e3350
- Analogous: #339e4c, #33859e
- Triadic: #81339e, #9e8133
- Split-complementary: #9e3385, #9e4c33
- Tetradic: #4c339e, #9e3350, #859e33

## Colors that go with #339e81

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 #339e81: 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), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Chocolate** #d2691e [harmony, pool: triadic] — Chocolate completes a triad with #339e81 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Homestead (https://brandsweets.com/palettes/warm#homestead), Farmers Market (https://brandsweets.com/palettes/warm#farmers-market). — https://brandsweets.com/colors/chocolate
- **Copper** #b87333 [pool] — Designers have shipped Copper with #339e81: 5 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), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Atelier (https://brandsweets.com/palettes/elegant#atelier). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #339e81 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 #339e81: 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 Tide Pool and Fintech Trust put Midnight Blue beside #339e81, as that palette's text colour. Seen in: Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Ford (https://brandsweets.com/colors/brands/ford-com), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/midnightblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #339e81 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), Subaru (https://brandsweets.com/colors/brands/subaru-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #339e81 in 15 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), Still Water (https://brandsweets.com/palettes/cool#still-water). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 3.31:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2a836b (4.61:1); AA: background → #262626 (4.58:1); AAA: text → #1f604f (7.38:1)
- On black (#000000): 6.35:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #37a98b (7.21:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/339e81-a2beba-d459b5-1f2b2d-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: "#339e81" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.