Color

#999fb8

#999fb8
hex#999fb8
rgbrgb(153, 159, 184)
hslhsl(228, 18%, 66%)
oklchoklch(0.706 0.037 274.8)
Closest name: Machinery (#9999aa)Relative luminance 0.3503

Colors that go with #999fb8

Charcoal, Sand 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b8b299

#99afb8 · #a299b8

#b8999f · #9fb899

Split-complementary

Open in tool →

#b8a299 · #afb899

#b899af · #b8b299 · #99b8a2

Contrast

#999fb8 as textRatioAAAA largeAAAFix
Aaon white
2.62:1failfailfail
  • AA: use #6c7599 as the text (4.52:1)
  • AAA: use #4f5672 as the text (7.23:1)
  • AA: or shift the background to #363636 (4.61:1)
  • AAA: or shift the background to #141414 (7.02:1)
Aaon black
8.01:1passpasspassPasses 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 #999fb8 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 #999fb8
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 #999fb8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/999fb8-9c9fc4-df7c4e-231f2d-e9eff1?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