# #509b87

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

## Values

- Hex: `#509b87`
- RGB: rgb(80, 155, 135)
- HSL: hsl(164, 32%, 46%)
- OKLCH: oklch(0.635 0.081 174.1)
- Relative luminance: 0.269
- Nearest named color: Highlands (#449084, Δ 3.557) — https://brandsweets.com/colors/highlands
- Moods: muted
- Page: https://brandsweets.com/colors/509b87

## Tints & shades

- Tints (toward white): #5aaa95, #6bb3a0, #7fbdad, #90c6b7, #a1cec2, #b2d7cd, #c2e0d8, #d7eae5, #e7f3f0, #f8fcfb
- Shades (toward black): #498d7b, #42806f, #396f61, #326255, #2b5449, #24473e, #1d3932, #152823, #0e1b17, #070d0c

## Harmonies

- Complementary: #9b5064
- Analogous: #509b61, #50899b
- Triadic: #87509b, #9b8750
- Split-complementary: #9b5089, #9b6150
- Tetradic: #61509b, #9b5064, #899b50

## Colors that go with #509b87

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 #509b87: softer than #000 and cool enough to feel like part of the same palette. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), N26 (https://brandsweets.com/colors/brands/n26-com), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: triadic] — Copper completes a triad with #509b87 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Wellness (https://brandsweets.com/palettes/warm#wellness), Atelier (https://brandsweets.com/palettes/elegant#atelier), Riverbed (https://brandsweets.com/palettes/muted#riverbed). — https://brandsweets.com/colors/copper
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Rain Garden and Estate put Blush Pink beside #509b87, as the accent. Seen in: Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Estate (https://brandsweets.com/palettes/luxury#estate), Graphite Mono (https://brandsweets.com/palettes/neutral#graphite-mono), Garden Wedding (https://brandsweets.com/palettes/light#garden-wedding). — https://brandsweets.com/colors/blush-pink
- **Crimson** #dc143c [pool] — Crimson is paired with #509b87 in 7 real palettes, including Diner and Five Guys's brand system, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com), Netflix (https://brandsweets.com/colors/brands/netflix), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #509b87 in 4 real palettes, including Clay & Linen and Undergrowth, as the accent. Seen in: Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #509b87: 8 real palettes, including Peacock and Intel's brand system, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Intel (https://brandsweets.com/colors/brands/intel-com), Jack Daniel's (https://brandsweets.com/colors/brands/jackdaniels-com), Netflix (https://brandsweets.com/colors/brands/netflix). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Tide Pool and Fintech Trust put Midnight Blue beside #509b87, as that palette's text colour. Seen in: Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Ford (https://brandsweets.com/colors/brands/ford-com), Paramount+ (https://brandsweets.com/colors/brands/paramountplus-com). — https://brandsweets.com/colors/midnightblue
- **Orange** #ffa500 [pool] — 4 real palettes, including Mint Modern and Olympics's brand system put Orange beside #509b87, as the accent. Seen in: Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Olympics (https://brandsweets.com/colors/brands/olympics-com), Graphite (https://brandsweets.com/palettes/technical#graphite), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/orange

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

- On white (#ffffff): 3.29:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #42806f (4.62:1); AA: background → #262626 (4.6:1); AAA: text → #315e52 (7.36:1)
- On black (#000000): 6.38:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #55a590 (7.17:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/509b87-a2beba-d459b5-1f2b2d-e9f1eb?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: "#509b87" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.