# #439d9c

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

## Values

- Hex: `#439d9c`
- RGB: rgb(67, 157, 156)
- HSL: hsl(179, 40%, 44%)
- OKLCH: oklch(0.642 0.085 194.2)
- Relative luminance: 0.2771
- Nearest named color: Baltic (#279d9f, Δ 1.587) — https://brandsweets.com/colors/baltic
- Moods: neutral
- Page: https://brandsweets.com/colors/439d9c

## Tints & shades

- Tints (toward white): #4bafad, #5ebab9, #70c2c0, #86cbca, #97d3d2, #a9dad9, #bfe3e3, #d1ebeb, #e6f4f4, #f8fcfc
- Shades (toward black): #3d8f8d, #37817f, #317271, #2b6463, #255655, #1f4747, #183939, #122b2a, #0c1d1c, #060e0e

## Harmonies

- Complementary: #9d4345
- Analogous: #439d6f, #43729d
- Triadic: #9c439d, #9d9c43
- Split-complementary: #9d4372, #9d6f43
- Tetradic: #6f439d, #9d4345, #729d43

## Colors that go with #439d9c

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 #439d9c: 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
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Rain Garden and Estate put Blush Pink beside #439d9c, as the accent. Seen in: Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Estate (https://brandsweets.com/palettes/luxury#estate), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding). — https://brandsweets.com/colors/blush-pink
- **Copper** #b87333 [pool] — Designers have shipped Copper with #439d9c: 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), Wellness (https://brandsweets.com/palettes/warm#wellness), Atelier (https://brandsweets.com/palettes/elegant#atelier). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #439d9c in 6 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), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #439d9c: 10 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), Open House (https://brandsweets.com/palettes/clean#open-house), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 9 real palettes, including Tide Pool and Ford's brand system put Midnight Blue beside #439d9c, 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] — 4 real palettes, including Gopro's brand system and Mint Modern put Orange beside #439d9c, as the accent. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Graphite (https://brandsweets.com/palettes/technical#graphite), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/orange
- **Chocolate** #d2691e [harmony, pool: split] — Chocolate is a split-complement of #439d9c: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Wellness (https://brandsweets.com/palettes/warm#wellness), Homestead (https://brandsweets.com/palettes/warm#homestead). — https://brandsweets.com/colors/chocolate

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

- On white (#ffffff): 3.21:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #37817f (4.56:1); AA: background → #292929 (4.53:1); AAA: text → #29605f (7.16:1)
- On black (#000000): 6.54:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #46a4a3 (7.1:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/439d9c-a2bbbe-d45996-1f272d-e9f1ed?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: "#439d9c" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.