# #429b9e

A color — cool, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#429b9e`
- RGB: rgb(66, 155, 158)
- HSL: hsl(182, 41%, 44%)
- OKLCH: oklch(0.637 0.084 198.3)
- Relative luminance: 0.2707
- Nearest named color: Baltic (#279d9f, Δ 1.511) — https://brandsweets.com/colors/baltic
- Moods: cool, modern
- Page: https://brandsweets.com/colors/429b9e

## Tints & shades

- Tints (toward white): #4aadb0, #5db8bb, #6fc0c3, #85c9cc, #97d1d3, #a9d9db, #bee3e4, #d0ebeb, #e6f4f4, #f8fcfc
- Shades (toward black): #3c8d90, #367f81, #307173, #2a6365, #245556, #1e4748, #18383a, #122a2b, #0c1c1d, #060e0e

## Harmonies

- Complementary: #9e4542
- Analogous: #429e73, #426d9e
- Triadic: #9e429b, #9b9e42
- Split-complementary: #9e426d, #9e7342
- Tetradic: #73429e, #9e4542, #6d9e42

## Colors that go with #429b9e

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 #429b9e: 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), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [pool] — Designers have shipped Copper with #429b9e: 6 real palettes, including Clean Beauty and Dusk, as the accent. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Dusk (https://brandsweets.com/palettes/cool#dusk), Atelier (https://brandsweets.com/palettes/elegant#atelier), Wellness (https://brandsweets.com/palettes/warm#wellness). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #429b9e in 7 real palettes, including Diner and Redfin's brand system, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Redfin (https://brandsweets.com/colors/brands/redfin-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #429b9e: 11 real palettes, including Peacock and Dusk, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Dusk (https://brandsweets.com/palettes/cool#dusk), Gopro (https://brandsweets.com/colors/brands/gopro-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 10 real palettes, including Tide Pool and Ford's brand system put Midnight Blue beside #429b9e, as that palette's text colour. Seen in: Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Ford (https://brandsweets.com/colors/brands/ford-com), SoFi (https://brandsweets.com/colors/brands/sofi-com), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/midnightblue
- **Orange** #ffa500 [pool] — 5 real palettes, including Gopro's brand system and Campus put Orange beside #429b9e, as the accent. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Campus (https://brandsweets.com/palettes/friendly#campus), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Graphite (https://brandsweets.com/palettes/technical#graphite). — https://brandsweets.com/colors/orange
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #429b9e in 6 real palettes, including Confluent's brand system and Brilliant's brand system, as the supporting colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Elastic (https://brandsweets.com/colors/brands/elastic-co), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org). — https://brandsweets.com/colors/royalblue
- **Indian Red** #cd5c5c [harmony: complementary] — Indian Red sits directly opposite #429b9e 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/indianred

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

- On white (#ffffff): 3.27:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #367f81 (4.66:1); AA: background → #262626 (4.62:1); AAA: text → #295f61 (7.23:1)
- On black (#000000): 6.41:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #47a6a9 (7.3:1)

## Fonts for this mood

- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/429b9e-a2babe-d45990-1f272d-e9f1ee?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: "#429b9e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.