Color

#6f9b99

#6f9b99
hex#6f9b99
rgbrgb(111, 155, 153)
hslhsl(177, 18%, 52%)
oklchoklch(0.657 0.048 192.5)
Closest name: cadetblue (#5f9ea0)Relative luminance 0.2912

Colors that go with #6f9b99

Charcoal, Blush Pink 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 #6f9b99

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9b6f71

#6f9b82 · #6f879b

#986f9b · #9b986f

Split-complementary

Open in tool →

#9b6f87 · #9b826f

#826f9b · #9b6f71 · #879b6f

Contrast

#6f9b99 as textRatioAAAA largeAAAFix
Aaon white
3.08:1failpassfail
  • AA: use #567b79 as the text (4.66:1)
  • AAA: use #415d5c as the text (7.13:1)
  • AA: or shift the background to #2b2b2b (4.6:1)
Aaon black
6.82:1passpassfail
  • AAA: use #729d9b as the text (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #6f9b99 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 #6f9b99
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 #6f9b99 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/6f9b99-a2bcbe-d4599b-1f282d-e9f1ed?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