Color

#639929

#639929
hex#639929
rgbrgb(99, 153, 41)
hslhsl(89, 58%, 38%)
oklchoklch(0.623 0.152 132)
Closest name: Bitter Leaf (#669841)Relative luminance 0.256

Colors that go with #639929

Charcoal, Crimson 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 →

#5f2999

#999729 · #2b9929

#296399 · #992963

Split-complementary

Open in tool →

#292b99 · #972999

#299997 · #5f2999 · #99292b

Contrast

#639929 as textRatioAAAA largeAAAFix
Aaon white
3.43:1failpassfail
  • AA: use #538122 as the text (4.63:1)
  • AAA: use #3e611a as the text (7.17:1)
  • AA: or shift the background to #242424 (4.52:1)
Aaon black
6.12:1passpassfail
  • AAA: use #6ba52c as the text (7.04:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #639929 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 #639929
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 #639929 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/639929-adbea2-4e4edf-212d1f-f1f1e9?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