Color

#899b6f

#899b6f
hex#899b6f
rgbrgb(137, 155, 111)
hslhsl(85, 18%, 52%)
oklchoklch(0.664 0.066 126.2)
Closest name: Bullfrog (#8a966a)Relative luminance 0.2991

Colors that go with #899b6f

Charcoal, Medium Purple and Blush Pink 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 #899b6f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#816f9b

#9b976f · #729b6f

#6f889b · #9b6f88

Split-complementary

Open in tool →

#6f729b · #976f9b

#6f9b97 · #816f9b · #9b6f72

Contrast

#899b6f as textRatioAAAA largeAAAFix
Aaon white
3.01:1failpassfail
  • AA: use #6c7b56 as the text (4.56:1)
  • AAA: use #515d41 as the text (7.02:1)
  • AA: or shift the background to #2e2e2e (4.51:1)
Aaon black
6.98:1passpassfail
  • AAA: use #8b9d72 as the text (7.16:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #899b6f 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 #899b6f
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 #899b6f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/899b6f-afbea2-4e58df-212d1f-f1f0e9?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