# #40baa4

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

## Values

- Hex: `#40baa4`
- RGB: rgb(64, 186, 164)
- HSL: hsl(169, 49%, 49%)
- OKLCH: oklch(0.716 0.112 178.6)
- Relative luminance: 0.3889
- Nearest named color: Emerald Bliss (#4cbdac, Δ 1.607) — https://brandsweets.com/colors/emerald-bliss
- Moods: neutral
- Page: https://brandsweets.com/colors/40baa4

## Tints & shades

- Tints (toward white): #50c3ae, #63cab7, #76d0c0, #89d7c8, #9cddd1, #abe2d8, #bee9e1, #d1efea, #e4f6f3, #f7fcfb
- Shades (toward black): #3bab96, #349886, #2f8978, #287668, #23675a, #1d544a, #17443c, #11312b, #0c221e, #050f0d

## Harmonies

- Complementary: #ba4056
- Analogous: #40ba67, #4093ba
- Triadic: #a440ba, #baa440
- Split-complementary: #ba4093, #ba6740
- Tetradic: #6740ba, #ba4056, #93ba40

## Colors that go with #40baa4

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 #40baa4: 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), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Hot Pink** #ff69b4 [harmony, pool: complementary] — Hot Pink sits directly opposite #40baa4 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/hotpink
- **Crimson** #dc143c [pool] — Crimson is paired with #40baa4 in 4 real palettes, including DuckDuckGo's brand system and Riot Games's brand system, as the supporting colour. Seen in: DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Riot Games (https://brandsweets.com/colors/brands/riotgames-com), Diner (https://brandsweets.com/palettes/vivid#diner), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com). — https://brandsweets.com/colors/crimson
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #40baa4: 4 real palettes, including Unity's brand system and Playground, as the lead colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Playground (https://brandsweets.com/palettes/bold#playground), Spline (https://brandsweets.com/colors/brands/spline-design), Patreon (https://brandsweets.com/colors/brands/patreon-com). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Ford's brand system and Fintech Trust put Midnight Blue beside #40baa4, as the lead colour. Seen in: Ford (https://brandsweets.com/colors/brands/ford-com), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Confluent (https://brandsweets.com/colors/brands/confluent-io), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/midnightblue
- **Mustard Yellow** #ffdb58 [pool] — 5 real palettes, including Crayon Box and Fresh Juice put Mustard Yellow beside #40baa4, as the accent. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Diner (https://brandsweets.com/palettes/vivid#diner), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #40baa4 in 4 real palettes, including Khan Academy's brand system and Brilliant's brand system, as the accent. Seen in: Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Docker (https://brandsweets.com/colors/brands/docker-com), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/royalblue
- **Slate Gray** #708090 [pool] — 4 real palettes, including Indigo SaaS and Ledger Dark put Slate Gray beside #40baa4, as the supporting colour. Seen in: Indigo SaaS (https://brandsweets.com/palettes/modern#indigo-saas), Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Graphite (https://brandsweets.com/palettes/technical#graphite), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/slategray

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

- On white (#ffffff): 2.39:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2c8172 (4.68:1); AA: background → #3d3d3d (4.54:1); AAA: text → #226357 (7.02:1); AAA: background → #1c1c1c (7.12:1)
- On black (#000000): 8.78:1 — AA pass, AA-large pass, AAA pass

## Curated palettes containing it

- **Lagoon** (ocean, vivid, light, summer) — #06b6d4, #14b8a6, #fde68a, #ffffff, #134e4a — Turquoise and teal with a sand-yellow on white — shallow tropical water; the deep teal text is the reef. — tool: https://brandsweets.com/palettes/new/06b6d4-14b8a6-fde68a-ffffff-134e4a — collection: https://brandsweets.com/palettes/ocean

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/40baa4-a2bebc-d459ab-1f2a2d-e9f1ec?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: "#40baa4" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.