# #40bfbb

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

## Values

- Hex: `#40bfbb`
- RGB: rgb(64, 191, 187)
- HSL: hsl(178, 50%, 50%)
- OKLCH: oklch(0.736 0.109 192)
- Relative luminance: 0.4194
- Nearest named color: Emerald Bliss (#4cbdac, Δ 2.059) — https://brandsweets.com/colors/emerald-bliss
- Moods: neutral
- Page: https://brandsweets.com/colors/40bfbb

## Tints & shades

- Tints (toward white): #53c6c2, #66ccc9, #75d1ce, #88d7d5, #9cdedc, #afe4e2, #c2ebe9, #d1f0ef, #e4f6f5, #f7fcfc
- Shades (toward black): #39aca8, #349d99, #2e8a87, #297a78, #226765, #1c5452, #174543, #113231, #0b2222, #050f0f

## Harmonies

- Complementary: #bf4044
- Analogous: #40bf7b, #4084bf
- Triadic: #bb40bf, #bfbb40
- Split-complementary: #bf4084, #bf7b40
- Tetradic: #7b40bf, #bf4044, #84bf40

## Colors that go with #40bfbb

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 #40bfbb: 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
- **Blue** #0000ff [pool] — 4 real palettes, including Canva's brand system and Unity's brand system put Blue beside #40bfbb, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Unity (https://brandsweets.com/colors/brands/unity-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Uber (https://brandsweets.com/colors/brands/uber-com). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #40bfbb in 4 real palettes, including Riot Games's brand system and Tiffany & Co.'s brand system, as the supporting colour. Seen in: Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Diner (https://brandsweets.com/palettes/vivid#diner), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #40bfbb: 4 real palettes, including UEFA's brand system and Open House, as the accent. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Open House (https://brandsweets.com/palettes/clean#open-house), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #40bfbb: 5 real palettes, including Unity's brand system and Patreon's brand system, as the lead colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Patreon (https://brandsweets.com/colors/brands/patreon-com), Figma (https://brandsweets.com/colors/brands/figma), Opensea (https://brandsweets.com/colors/brands/opensea-io). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 6 real palettes, including Confluent's brand system and Ford's brand system put Midnight Blue beside #40bfbb, as the lead colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Ford (https://brandsweets.com/colors/brands/ford-com), SoFi (https://brandsweets.com/colors/brands/sofi-com), First Snow (https://brandsweets.com/palettes/cool#first-snow). — https://brandsweets.com/colors/midnightblue
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Crayon Box and Lido put Mustard Yellow beside #40bfbb, as the accent. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Lido (https://brandsweets.com/palettes/vivid#lido), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/mustard
- **Light Coral** #f08080 [harmony: complementary] — Light Coral sits directly opposite #40bfbb 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): 2.24:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2b827f (4.56:1); AA: background → #404040 (4.64:1); AAA: text → #20605e (7.25:1); AAA: background → #212121 (7.2:1)
- On black (#000000): 9.39:1 — 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/40bfbb-a2bcbe-d45999-1f282d-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: "#40bfbb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.