# #3bb5af

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

## Values

- Hex: `#3bb5af`
- RGB: rgb(59, 181, 175)
- HSL: hsl(177, 51%, 47%)
- OKLCH: oklch(0.706 0.106 190.3)
- Relative luminance: 0.3707
- Nearest named color: lightseagreen (#20b2aa, Δ 1.693) — https://brandsweets.com/colors/lightseagreen
- Moods: neutral
- Page: https://brandsweets.com/colors/3bb5af

## Tints & shades

- Tints (toward white): #46c3bd, #59c9c4, #6dd0cb, #80d6d1, #97ddda, #aae4e1, #beeae8, #d1f0ee, #e4f6f5, #f7fdfc
- Shades (toward black): #36a6a0, #2f928d, #2a837e, #257470, #206461, #1a514e, #15413f, #103230, #0a1f1e, #050f0f

## Harmonies

- Complementary: #b53b41
- Analogous: #3bb572, #3b7eb5
- Triadic: #af3bb5, #b5af3b
- Split-complementary: #b53b7e, #b5723b
- Tetradic: #723bb5, #b53b41, #7eb53b

## Colors that go with #3bb5af

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 #3bb5af: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lagoon (https://brandsweets.com/palettes/vivid#lagoon), N26 (https://brandsweets.com/colors/brands/n26-com), Lido (https://brandsweets.com/palettes/vivid#lido), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern). — https://brandsweets.com/colors/charcoal
- **Denim** #1560bd [pool] — Designers have shipped Denim with #3bb5af: 4 real palettes, including Open House and Coca-Cola's brand system, as the lead colour. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Peacock (https://brandsweets.com/palettes/vivid#peacock), Dusk (https://brandsweets.com/palettes/cool#dusk). — 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 #3bb5af, as the lead colour. Seen in: Ford (https://brandsweets.com/colors/brands/ford-com), Confluent (https://brandsweets.com/colors/brands/confluent-io), SoFi (https://brandsweets.com/colors/brands/sofi-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust). — https://brandsweets.com/colors/midnightblue
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Lido and Crayon Box put Mustard Yellow beside #3bb5af, as the accent. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Diner (https://brandsweets.com/palettes/vivid#diner), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice). — https://brandsweets.com/colors/mustard
- **Orange Red** #ff4500 [pool] — Orange Red is paired with #3bb5af in 4 real palettes, including Cursor's brand system and Neon's brand system, as the lead colour. Seen in: Cursor (https://brandsweets.com/colors/brands/cursor-com), Neon (https://brandsweets.com/colors/brands/neon-tech), Figma (https://brandsweets.com/colors/brands/figma), Launch Orange (https://brandsweets.com/palettes/bold#launch-orange). — https://brandsweets.com/colors/orangered
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #3bb5af 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
- **Sky Blue** #87ceeb [pool] — Sky Blue is paired with #3bb5af in 4 real palettes, including Coastal and Max's brand system, as the supporting colour. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Max (https://brandsweets.com/colors/brands/max-com), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Still Water (https://brandsweets.com/palettes/cool#still-water). — https://brandsweets.com/colors/skyblue
- **Light Coral** #f08080 [harmony: complementary] — Light Coral sits directly opposite #3bb5af 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/lightcoral

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

- On white (#ffffff): 2.5:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2a837e (4.52:1); AA: background → #383838 (4.7:1); AAA: text → #1f605d (7.27:1); AAA: background → #171717 (7.18:1)
- On black (#000000): 8.41:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/3bb5af-a2bcbe-d4599b-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: "#3bb5af" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.