# #39aca3

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

## Values

- Hex: `#39aca3`
- RGB: rgb(57, 172, 163)
- HSL: hsl(175, 50%, 45%)
- OKLCH: oklch(0.679 0.102 187.6)
- Relative luminance: 0.3302
- Nearest named color: Ambrosial Oceanside (#47ae9c, Δ 1.555) — https://brandsweets.com/colors/ambrosial-oceanside
- Moods: neutral
- Page: https://brandsweets.com/colors/39aca3

## Tints & shades

- Tints (toward white): #40bfb5, #57c7be, #6acdc5, #7dd4cc, #94dbd5, #a7e2dd, #bae8e4, #cdeeec, #e4f6f5, #f7fcfc
- Shades (toward black): #349d94, #2f8e86, #2a7e77, #256f69, #20605a, #1a4d48, #143d3a, #0f2e2b, #0a1f1d, #050f0e

## Harmonies

- Complementary: #ac3943
- Analogous: #39ac69, #397cac
- Triadic: #a339ac, #aca339
- Split-complementary: #ac397c, #ac6939
- Tetradic: #6939ac, #ac3943, #7cac39

## Colors that go with #39aca3

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 #39aca3: softer than #000 and cool enough to feel like part of the same palette. Seen in: N26 (https://brandsweets.com/colors/brands/n26-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Coastal (https://brandsweets.com/palettes/cool#coastal), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #39aca3: 5 real palettes, including Peacock and Open House, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Open House (https://brandsweets.com/palettes/clean#open-house), Dusk (https://brandsweets.com/palettes/cool#dusk), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Ford's brand system and Confluent's brand system put Midnight Blue beside #39aca3, as the lead colour. Seen in: Ford (https://brandsweets.com/colors/brands/ford-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/midnightblue
- **Orange** #ffa500 [pool] — 4 real palettes, including Mint Modern and Graphite put Orange beside #39aca3, as the accent. Seen in: Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Graphite (https://brandsweets.com/palettes/technical#graphite), Gopro (https://brandsweets.com/colors/brands/gopro-com), Olympics (https://brandsweets.com/colors/brands/olympics-com). — https://brandsweets.com/colors/orange
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #39aca3: 4 real palettes, including First Snow and Ink Wash, as the accent. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Ink Wash (https://brandsweets.com/palettes/dark#ink-wash), Stone (https://brandsweets.com/palettes/neutral#stone), Crypto.com (https://brandsweets.com/colors/brands/crypto-com). — https://brandsweets.com/colors/powderblue
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #39aca3 in 5 real palettes, including Khan Academy's brand system and Confluent's brand system, as the accent. Seen in: Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Confluent (https://brandsweets.com/colors/brands/confluent-io), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Elastic (https://brandsweets.com/colors/brands/elastic-co). — https://brandsweets.com/colors/royalblue
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #39aca3: 4 real palettes, including Fintech Trust and Deep Water, as the supporting colour. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Telegram (https://brandsweets.com/colors/brands/telegram-org), Olympics (https://brandsweets.com/colors/brands/olympics-com). — https://brandsweets.com/colors/steelblue
- **Tomato** #ff6347 [harmony, pool: split] — Tomato is a split-complement of #39aca3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Hermès (https://brandsweets.com/colors/brands/hermes-com). — https://brandsweets.com/colors/tomato

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

- On white (#ffffff): 2.76:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2b827b (4.58:1); AA: background → #333333 (4.57:1); AAA: text → #20605a (7.29:1); AAA: background → #0d0d0d (7.04:1)
- On black (#000000): 7.6:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **N26** — primary #48ac98 (Δ 1.735) — https://brandsweets.com/colors/brands/n26-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/39aca3-a2bdbe-d4599f-1f282d-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: "#39aca3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.