# #509595

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

## Values

- Hex: `#509595`
- RGB: rgb(80, 149, 149)
- HSL: hsl(180, 30%, 45%)
- OKLCH: oklch(0.625 0.07 195.5)
- Relative luminance: 0.2537
- Nearest named color: Highlands (#449084, Δ 3.025) — https://brandsweets.com/colors/highlands
- Moods: cool, muted
- Page: https://brandsweets.com/colors/509595

## Tints & shades

- Tints (toward white): #59a6a6, #6db0b0, #7eb9b9, #8ec2c2, #a2cdcd, #b3d6d6, #c3dfdf, #d4e8e8, #e8f3f3, #f8fbfb
- Shades (toward black): #498888, #427b7b, #3b6d6d, #346060, #2d5353, #244242, #1d3535, #152828, #0e1b1b, #070d0d

## Harmonies

- Complementary: #955050
- Analogous: #509573, #507395
- Triadic: #955095, #959550
- Split-complementary: #955073, #957350
- Tetradic: #735095, #955050, #739550

## Colors that go with #509595

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 #509595: 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), Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: split] — Copper is a split-complement of #509595: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. 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
- **Crimson** #dc143c [pool] — Crimson is paired with #509595 in 8 real palettes, including Diner and Redfin's brand system, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Redfin (https://brandsweets.com/colors/brands/redfin-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #509595: 10 real palettes, including Peacock and Dusk, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Dusk (https://brandsweets.com/palettes/cool#dusk), Campus (https://brandsweets.com/palettes/friendly#campus), Intel (https://brandsweets.com/colors/brands/intel-com). — https://brandsweets.com/colors/denim
- **Goldenrod** #daa520 [pool] — Goldenrod shows up next to #509595 in 4 real palettes, including Ledger Dark and Noir Beauty, as the lead colour. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark), Noir Beauty (https://brandsweets.com/palettes/dark#noir-beauty), Open House (https://brandsweets.com/palettes/clean#open-house), Sapphire & Gold (https://brandsweets.com/palettes/luxury#sapphire-and-gold). — https://brandsweets.com/colors/goldenrod
- **Midnight Blue** #191970 [pool] — 10 real palettes, including Tide Pool and Ford's brand system put Midnight Blue beside #509595, as that palette's text colour. Seen in: Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Ford (https://brandsweets.com/colors/brands/ford-com), SoFi (https://brandsweets.com/colors/brands/sofi-com), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/midnightblue
- **Orange** #ffa500 [pool] — 4 real palettes, including Campus and Gopro's brand system put Orange beside #509595, as the accent. Seen in: Campus (https://brandsweets.com/palettes/friendly#campus), Gopro (https://brandsweets.com/colors/brands/gopro-com), Graphite (https://brandsweets.com/palettes/technical#graphite), Olympics (https://brandsweets.com/colors/brands/olympics-com). — https://brandsweets.com/colors/orange
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #509595 in 7 real palettes, including Confluent's brand system and Slate Workspace, as the supporting colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Slate Workspace (https://brandsweets.com/palettes/minimal#slate-workspace), Subaru (https://brandsweets.com/colors/brands/subaru-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 3.46:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #447e7e (4.63:1); AA: background → #212121 (4.66:1); AAA: text → #346060 (7.03:1)
- On black (#000000): 6.07:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #57a2a2 (7.1:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/509595-a2bbbe-d45994-1f272d-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: "#509595" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.