# #429a5e

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

## Values

- Hex: `#429a5e`
- RGB: rgb(66, 154, 94)
- HSL: hsl(139, 40%, 43%)
- OKLCH: oklch(0.617 0.124 151.5)
- Relative luminance: 0.2508
- Nearest named color: Eucalyptus (#329760, Δ 1.554) — https://brandsweets.com/colors/eucalyptus
- Moods: neutral
- Page: https://brandsweets.com/colors/429a5e

## Tints & shades

- Tints (toward white): #4baf6b, #5bb978, #70c28a, #82c999, #97d3aa, #a9dab9, #bfe3ca, #d1ebd9, #e6f4eb, #f8fcf9
- Shades (toward black): #3c8b55, #367d4c, #2f6f43, #29603b, #255634, #1f472c, #183923, #122b1a, #0c1d11, #060e09

## Harmonies

- Complementary: #9a427e
- Analogous: #529a42, #429a89
- Triadic: #5e429a, #9a5e42
- Split-complementary: #89429a, #9a4252
- Tetradic: #42529a, #9a427e, #9a8942

## Colors that go with #429a5e

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 #429a5e: softer than #000 and cool enough to feel like part of the same palette. Seen in: Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Coastal (https://brandsweets.com/palettes/cool#coastal), Asana (https://brandsweets.com/colors/brands/asana-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Kia's brand system and Instacart's brand system put Blue beside #429a5e, as the accent. Seen in: Kia (https://brandsweets.com/colors/brands/kia-com), Instacart (https://brandsweets.com/colors/brands/instacart-com), Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue
- **Copper** #b87333 [pool] — Designers have shipped Copper with #429a5e: 4 real palettes, including Wellness and Clean Beauty, as the supporting colour. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #429a5e 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 #429a5e: 6 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour. Seen in: 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), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Fintech Trust and Telehealth put Midnight Blue beside #429a5e, 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 #429a5e 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), Subaru (https://brandsweets.com/colors/brands/subaru-com), Coinbase (https://brandsweets.com/colors/brands/coinbase). — https://brandsweets.com/colors/royalblue
- **Medium Orchid** #ba55d3 [harmony: complementary] — Medium Orchid sits directly opposite #429a5e 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): 3.49:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #398451 (4.57:1); AA: background → #212121 (4.61:1); AAA: text → #2b643d (7.02:1)
- On black (#000000): 6.02:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #48a866 (7.07:1)

## Brands using this color

- **Next.js** — secondary #449d5d (Δ 0.986) — https://brandsweets.com/colors/brands/nextjs-org

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/429a5e-a2beae-c059d4-1f2d2a-ebf1e9?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: "#429a5e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.