Color

#909a51

#909a51
hex#909a51
rgbrgb(144, 154, 81)
hslhsl(68, 31%, 46%)
oklchoklch(0.661 0.098 115.5)
Closest name: Buckingham Gardens (#89a068)Relative luminance 0.2963

Colors that go with #909a51

Charcoal, Medium Purple and Blue 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 →

#5b519a

#9a7f51 · #6c9a51

#51909a · #9a5190

Split-complementary

Open in tool →

#516c9a · #7f519a

#519a7f · #5b519a · #9a516c

Contrast

#909a51 as textRatioAAAA largeAAAFix
Aaon white
3.03:1failpassfail
  • AA: use #71783f as the text (4.71:1)
  • AAA: use #555a30 as the text (7.26:1)
  • AA: or shift the background to #2b2b2b (4.67:1)
Aaon black
6.93:1passpassfail
  • AAA: use #939d53 as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #909a51 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 #909a51
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 #909a51 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/909a51-b7bea2-4e81df-252d1f-f1eee9?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