# #39a1ac

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

## Values

- Hex: `#39a1ac`
- RGB: rgb(57, 161, 172)
- HSL: hsl(186, 50%, 45%)
- OKLCH: oklch(0.655 0.094 205.1)
- Relative luminance: 0.2934
- Nearest named color: Baltic (#279d9f, Δ 2.436) — https://brandsweets.com/colors/baltic
- Moods: cool, modern
- Page: https://brandsweets.com/colors/39a1ac

## Tints & shades

- Tints (toward white): #40b3bf, #57bcc7, #6ac3cd, #7dcbd4, #94d4db, #a7dce2, #bae3e8, #cdebee, #e4f4f6, #f7fcfc
- Shades (toward black): #34929d, #2f848e, #2a767e, #25686f, #205960, #1a474d, #14393d, #0f2b2e, #0a1d1f, #050e0f

## Harmonies

- Complementary: #ac4539
- Analogous: #39ac7e, #3967ac
- Triadic: #ac39a1, #a1ac39
- Split-complementary: #ac3967, #ac7e39
- Tetradic: #7e39ac, #ac4539, #67ac39

## Colors that go with #39a1ac

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 #39a1ac: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido), Coastal (https://brandsweets.com/palettes/cool#coastal), N26 (https://brandsweets.com/colors/brands/n26-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/charcoal
- **Tomato** #ff6347 [harmony, pool: complementary] — Tomato sits directly opposite #39a1ac on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido), Hermès (https://brandsweets.com/colors/brands/hermes-com). — https://brandsweets.com/colors/tomato
- **Copper** #b87333 [pool] — Designers have shipped Copper with #39a1ac: 4 real palettes, including Dusk and Clean Beauty, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), 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 #39a1ac in 4 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), Riot Games (https://brandsweets.com/colors/brands/riotgames-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #39a1ac: 5 real palettes, including Peacock and Gopro's brand system, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Gopro (https://brandsweets.com/colors/brands/gopro-com), Dusk (https://brandsweets.com/palettes/cool#dusk), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 9 real palettes, including Ford's brand system and SoFi's brand system put Midnight Blue beside #39a1ac, as the lead colour. Seen in: Ford (https://brandsweets.com/colors/brands/ford-com), SoFi (https://brandsweets.com/colors/brands/sofi-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/midnightblue
- **Orange** #ffa500 [pool] — 4 real palettes, including Gopro's brand system and Graphite put Orange beside #39a1ac, as the accent. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Graphite (https://brandsweets.com/palettes/technical#graphite), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Olympics (https://brandsweets.com/colors/brands/olympics-com). — https://brandsweets.com/colors/orange
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #39a1ac: 4 real palettes, including Ink Wash and First Snow, as the lead colour. Seen in: Ink Wash (https://brandsweets.com/palettes/dark#ink-wash), First Snow (https://brandsweets.com/palettes/cool#first-snow), Crypto.com (https://brandsweets.com/colors/brands/crypto-com), Stone (https://brandsweets.com/palettes/neutral#stone). — https://brandsweets.com/colors/powderblue

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

- On white (#ffffff): 3.06:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #2e818a (4.54:1); AA: background → #2b2b2b (4.63:1); AAA: text → #226067 (7.15:1)
- On black (#000000): 6.87:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #3ba4b0 (7.12:1)

## Brands using this color

- **Ford** — secondary #00a5b5 (Δ 1.97) — https://brandsweets.com/colors/brands/ford-com

## 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/39a1ac-a2b8be-df4e86-1f262d-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: "#39a1ac" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.