# #66aeb7

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

## Values

- Hex: `#66aeb7`
- RGB: rgb(102, 174, 183)
- HSL: hsl(187, 36%, 56%)
- OKLCH: oklch(0.707 0.073 205.9)
- Relative luminance: 0.3652
- Nearest named color: Blue Eye Samurai (#75aebd, Δ 1.858) — https://brandsweets.com/colors/blue-eye-samurai
- Moods: cool, modern
- Page: https://brandsweets.com/colors/66aeb7

## Tints & shades

- Tints (toward white): #74b5be, #82bdc4, #93c6cc, #a1cdd3, #afd5d9, #bddce0, #cbe3e7, #dcedef, #eaf4f5, #f8fbfc
- Shades (toward black): #55a5af, #4b96a0, #41828b, #397279, #316268, #295157, #214145, #172e31, #0f1d1f, #070d0e

## Harmonies

- Complementary: #b77066
- Analogous: #66b798, #6685b7
- Triadic: #b766ae, #aeb766
- Split-complementary: #b76685, #b79866
- Tetradic: #9866b7, #b77066, #85b766

## Colors that go with #66aeb7

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 #66aeb7: softer than #000 and cool enough to feel like part of the same palette. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), N26 (https://brandsweets.com/colors/brands/n26-com), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Canva's brand system and Unity's brand system put Blue beside #66aeb7, 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
- **Burlywood** #deb887 [pool] — Burlywood is paired with #66aeb7 in 4 real palettes, including Polaroid and Chalkboard, as the accent. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Coastal (https://brandsweets.com/palettes/cool#coastal), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/burlywood
- **Copper** #b87333 [pool] — Designers have shipped Copper with #66aeb7: 4 real palettes, including Dusk and Riverbed, as the accent. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Riverbed (https://brandsweets.com/palettes/muted#riverbed), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Atelier (https://brandsweets.com/palettes/elegant#atelier). — https://brandsweets.com/colors/copper
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #66aeb7 in 5 real palettes, including Oatmeal and Warp's brand system, as the lead colour. Seen in: Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Warp (https://brandsweets.com/colors/brands/warp-dev), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #66aeb7: 6 real palettes, including Open House and Dusk, as the lead colour. Seen in: 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), Venmo (https://brandsweets.com/colors/brands/venmo-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #66aeb7: 6 real palettes, including Patreon's brand system and Studio Grey, as the accent. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Studio Grey (https://brandsweets.com/palettes/minimal#studio-grey), Figma (https://brandsweets.com/colors/brands/figma), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/dodgerblue
- **Peru** #cd853f [harmony, pool: split] — Peru is a split-complement of #66aeb7: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine), Estate (https://brandsweets.com/palettes/luxury#estate), Kiln (https://brandsweets.com/palettes/dark#kiln). — https://brandsweets.com/colors/peru

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

- On white (#ffffff): 2.53:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #407f87 (4.56:1); AA: background → #383838 (4.64:1); AAA: text → #2f5e65 (7.22:1); AAA: background → #171717 (7.09:1)
- On black (#000000): 8.3:1 — 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/66aeb7-a2b8be-df4e83-1f262d-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: "#66aeb7" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.