Color

#999ba3

#999ba3
hex#999ba3
rgbrgb(153, 155, 163)
hslhsl(228, 5%, 62%)
oklchoklch(0.69 0.012 274.8)
Closest name: Dusky Mood (#979ba8)Relative luminance 0.3286

Colors that go with #999ba3

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 #999ba3

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a3a199

#99a0a3 · #9c99a3

#a3999b · #9ba399

Split-complementary

Open in tool →

#a39c99 · #a0a399

#a399a0 · #a3a199 · #99a39c

Contrast

#999ba3 as textRatioAAAA largeAAAFix
Aaon white
2.77:1failfailfail
  • AA: use #72747e as the text (4.65:1)
  • AAA: use #55575e as the text (7.21:1)
  • AA: or shift the background to #333333 (4.56:1)
  • AAA: or shift the background to #0d0d0d (7.01:1)
Aaon black
7.57:1passpasspassPasses 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 #999ba3 as the background.

Brands using this color

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

Fonts for this mood

#999ba3 reads as neutral, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #999ba3
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 #999ba3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/999ba3-a2beb0-c859d4-1f2d2b-eaf1e9?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