# #6c9599

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

## Values

- Hex: `#6c9599`
- RGB: rgb(108, 149, 153)
- HSL: hsl(185, 18%, 51%)
- OKLCH: oklch(0.641 0.045 203.6)
- Relative luminance: 0.2698
- Nearest named color: Cavolo Nero (#72939e, Δ 1.33) — https://brandsweets.com/colors/cavolo-nero
- Moods: cool, muted
- Page: https://brandsweets.com/colors/6c9599

## Tints & shades

- Tints (toward white): #7ba0a3, #87a8ab, #96b3b6, #a5bec0, #b4c9cb, #c0d1d3, #cfdcde, #dee7e8, #eaf0f0, #f9fbfb
- Shades (toward black): #60878a, #587b7e, #4d6d6f, #435e60, #3b5254, #304345, #263536, #1b2627, #131a1b, #080c0c

## Harmonies

- Complementary: #996f6c
- Analogous: #6c9986, #6c7e99
- Triadic: #996c95, #95996c
- Split-complementary: #996c7e, #99866c
- Tetradic: #866c99, #996f6c, #7e996c

## Colors that go with #6c9599

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 #6c9599: softer than #000 and cool enough to feel like part of the same palette. Seen in: Dusty Blue (https://brandsweets.com/palettes/cool#dusty-blue), Bloomberg (https://brandsweets.com/colors/brands/bloomberg-com), Hermès (https://brandsweets.com/colors/brands/hermes-com), PlayStation® Official Site: Consoles, Games, Accessories & MoreSony Interactive Entertainment (https://brandsweets.com/colors/brands/playstation-com). — https://brandsweets.com/colors/charcoal
- **Copper** #b87333 [harmony, pool: split] — Copper is a split-complement of #6c9599: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Atelier (https://brandsweets.com/palettes/elegant#atelier), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Dusk (https://brandsweets.com/palettes/cool#dusk), Clay & Linen (https://brandsweets.com/palettes/warm#clay-and-linen). — https://brandsweets.com/colors/copper
- **Blush Pink** #e8b4b8 [pool] — 4 real palettes, including Estate and Rain Garden put Blush Pink beside #6c9599, as the accent. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), 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 #6c9599 in 5 real palettes, including Diner and Retro Pop, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop), Redfin (https://brandsweets.com/colors/brands/redfin-com), Five Guys (https://brandsweets.com/colors/brands/fiveguys-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #6c9599: 10 real palettes, including Dusk and Open House, as the lead colour. Seen in: Dusk (https://brandsweets.com/palettes/cool#dusk), Open House (https://brandsweets.com/palettes/clean#open-house), Peacock (https://brandsweets.com/palettes/vivid#peacock), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/denim
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #6c9599 in 4 real palettes, including Bookshop and Subaru's brand system, as the accent. Seen in: Bookshop (https://brandsweets.com/palettes/editorial#bookshop), Subaru (https://brandsweets.com/colors/brands/subaru-com), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/hunter-green
- **Midnight Blue** #191970 [pool] — 9 real palettes, including Tide Pool and Ford's brand system put Midnight Blue beside #6c9599, 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), Open House (https://brandsweets.com/palettes/clean#open-house), Plaid (https://brandsweets.com/colors/brands/plaid-com). — https://brandsweets.com/colors/midnightblue
- **Powder Blue** #b0e0e6 [pool] — Designers have shipped Powder Blue with #6c9599: 4 real palettes, including Ink Wash and Stone, as the lead colour. Seen in: Ink Wash (https://brandsweets.com/palettes/dark#ink-wash), Stone (https://brandsweets.com/palettes/neutral#stone), First Snow (https://brandsweets.com/palettes/cool#first-snow), Crypto.com (https://brandsweets.com/colors/brands/crypto-com). — https://brandsweets.com/colors/powderblue

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

- On white (#ffffff): 3.28:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #587b7e (4.62:1); AA: background → #262626 (4.61:1); AAA: text → #415b5d (7.29:1)
- On black (#000000): 6.4:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #789da1 (7.14:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/6c9599-a2b8be-df4e88-1f262d-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: "#6c9599" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.