Color

#899c9f

#899c9f
hex#899c9f
rgbrgb(137, 156, 159)
hslhsl(188, 10%, 58%)
oklchoklch(0.679 0.022 208.1)
Closest name: Blank Stare (#8b9cac)Relative luminance 0.316

Tints & shades

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

Harmonies

Complementary

Open in tool →

#9f8c89

#899f97 · #89919f

#9f899c · #9c9f89

Split-complementary

Open in tool →

#9f8991 · #9f9789

#97899f · #9f8c89 · #919f89

Contrast

#899c9f as textRatioAAAA largeAAAFix
Aaon white
2.87:1failfailfail
  • AA: use #65787b as the text (4.64:1)
  • AAA: use #4c5a5d as the text (7.17:1)
  • AA: or shift the background to #303030 (4.6:1)
  • AAA: or shift the background to #050505 (7.1:1)
Aaon black
7.32:1passpasspassPasses 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 #899c9f as the background.

Brands using this color

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

Palettes built around it

mcpConnect your agent — build around #899c9f
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

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

analyze #899c9f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/899c9f-a2b7be-df4e81-1f252d-e9f1ee?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