Color

#6b8e89

#6b8e89
hex#6b8e89
rgbrgb(107, 142, 137)
hslhsl(171, 14%, 49%)
oklchoklch(0.619 0.04 185.4)
Closest name: Armour (#74857f)Relative luminance 0.2428

Colors that go with #6b8e89

Charcoal, Copper and Burlywood lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #6b8e89

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8e6b71

#6b8e78 · #6b828e

#896b8e · #8e896b

Split-complementary

Open in tool →

#8e6b82 · #8e786b

#786b8e · #8e6b71 · #828e6b

Contrast

#6b8e89 as textRatioAAAA largeAAAFix
Aaon white
3.59:1failpassfail
  • AA: use #5c7a76 as the text (4.67:1)
  • AAA: use #465d5a as the text (7.06:1)
  • AA: or shift the background to #1f1f1f (4.6:1)
Aaon black
5.86:1passpassfail
  • AAA: use #7c9c97 as the text (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6b8e89 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #6b8e89
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #6b8e89 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6b8e89-a2bebd-d459a7-1f292d-e9f1ec?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md