Color

#899fa9

#899fa9
hex#899fa9
rgbrgb(137, 159, 169)
hslhsl(199, 16%, 60%)
oklchoklch(0.689 0.029 227)
Closest name: Blank Stare (#8b9cac)Relative luminance 0.3298

Colors that go with #899fa9

Charcoal, Burlywood and Champagne 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 #899fa9

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a99389

#89a9a3 · #898fa9

#a9899f · #9fa989

Split-complementary

Open in tool →

#a9898f · #a9a389

#a389a9 · #a99389 · #8fa989

Contrast

#899fa9 as textRatioAAAA largeAAAFix
Aaon white
2.76:1failfailfail
  • AA: use #607985 as the text (4.59:1)
  • AAA: use #475962 as the text (7.31:1)
  • AA: or shift the background to #333333 (4.57:1)
  • AAA: or shift the background to #0d0d0d (7.03:1)
Aaon black
7.6:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #899fa9 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 #899fa9
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 #899fa9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/899fa9-9cb3c4-df4e66-1f232d-e9f1f0?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