# #40aebf

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

## Values

- Hex: `#40aebf`
- RGB: rgb(64, 174, 191)
- HSL: hsl(188, 50%, 50%)
- OKLCH: oklch(0.696 0.101 209.5)
- Relative luminance: 0.3512
- Nearest named color: Aquarius (#2db0ce, Δ 2.191) — https://brandsweets.com/colors/aquarius
- Moods: cool, modern
- Page: https://brandsweets.com/colors/40aebf

## Tints & shades

- Tints (toward white): #53b6c6, #66becc, #75c5d1, #88cdd7, #9cd5de, #afdde4, #c2e5eb, #d1ecf0, #e4f4f6, #f7fcfc
- Shades (toward black): #399dac, #348f9d, #2e7d8a, #29707a, #225e67, #1c4d54, #173f45, #112d32, #0b1f22, #050e0f

## Harmonies

- Complementary: #bf5140
- Analogous: #40bf91, #406fbf
- Triadic: #bf40ae, #aebf40
- Split-complementary: #bf406e, #bf9140
- Tetradic: #9140bf, #bf5140, #6fbf40

## Colors that go with #40aebf

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 #40aebf: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Lido (https://brandsweets.com/palettes/vivid#lido), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Terracotta** #e2725b [harmony, pool: complementary] — Terracotta sits directly opposite #40aebf on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Alpine (https://brandsweets.com/palettes/cool#alpine), Resort (https://brandsweets.com/palettes/light#resort), Harbour (https://brandsweets.com/palettes/cool#harbour). — https://brandsweets.com/colors/terracotta
- **Amber** #ffbf00 [pool] — Amber is paired with #40aebf in 4 real palettes, including Blueprint and Salesforce's brand system, as the accent. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), NBA (https://brandsweets.com/colors/brands/nba-com), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/amber
- **Denim** #1560bd [pool] — Designers have shipped Denim with #40aebf: 6 real palettes, including Coca-Cola's brand system and Open House, as the accent. Seen in: Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Open House (https://brandsweets.com/palettes/clean#open-house), Dusk (https://brandsweets.com/palettes/cool#dusk), Gopro (https://brandsweets.com/colors/brands/gopro-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #40aebf: 6 real palettes, including Patreon's brand system and Figma's brand system, as the accent. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Figma (https://brandsweets.com/colors/brands/figma), Venmo (https://brandsweets.com/colors/brands/venmo-com), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 9 real palettes, including Confluent's brand system and Ford's brand system put Midnight Blue beside #40aebf, 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), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/midnightblue
- **Orange** #ffa500 [pool] — 4 real palettes, including Gopro's brand system and Mistral AI's brand system put Orange beside #40aebf, as the accent. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Graphite (https://brandsweets.com/palettes/technical#graphite), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern). — https://brandsweets.com/colors/orange
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #40aebf: 5 real palettes, including First Snow and Crypto.com's brand system, as the accent. Seen in: First Snow (https://brandsweets.com/palettes/cool#first-snow), Crypto.com (https://brandsweets.com/colors/brands/crypto-com), Calendly (https://brandsweets.com/colors/brands/calendly-com), Stone (https://brandsweets.com/palettes/neutral#stone). — https://brandsweets.com/colors/powderblue

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

- On white (#ffffff): 2.62:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2f818e (4.51:1); AA: background → #363636 (4.62:1); AAA: text → #225e67 (7.33:1); AAA: background → #141414 (7.04:1)
- On black (#000000): 8.02:1 — AA pass, AA-large pass, AAA pass

## 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/40aebf-a2b7be-df4e81-1f252d-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: "#40aebf" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.