Color

#b5b7bf

#b5b7bf
hex#b5b7bf
rgbrgb(181, 183, 191)
hslhsl(228, 7%, 73%)
oklchoklch(0.78 0.011 274.9)
Closest name: Nebulous December (#b3b2bf)Relative luminance 0.4745

Tints & shades

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

Harmonies

Complementary

Open in tool →

#bfbdb5

#b5bcbf · #b8b5bf

#bfb5b7 · #b7bfb5

Split-complementary

Open in tool →

#bfb8b5 · #bcbfb5

#bfb5bc · #bfbdb5 · #b5bfb8

Contrast

#b5b7bf as textRatioAAAA largeAAAFix
Aaon white
2:1failfailfail
  • AA: use #727583 as the text (4.58:1)
  • AAA: use #555862 as the text (7.1:1)
  • AA: or shift the background to #474747 (4.64:1)
  • AAA: or shift the background to #2b2b2b (7.07:1)
Aaon black
10.49:1passpasspassPasses 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 #b5b7bf 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

Fonts for this mood

#b5b7bf reads as neutral, light, minimal. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #b5b7bf
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 #b5b7bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/b5b7bf-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