Color

#639834

#639834
hex#639834
rgbrgb(99, 152, 52)
hslhsl(92, 49%, 40%)
oklchoklch(0.621 0.143 132.9)
Closest name: Bitter Leaf (#669841)Relative luminance 0.2536

Colors that go with #639834

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 →

#693498

#959834 · #349837

#346398 · #983463

Split-complementary

Open in tool →

#373498 · #983495

#349598 · #693498 · #983734

Contrast

#639834 as textRatioAAAA largeAAAFix
Aaon white
3.46:1failpassfail
  • AA: use #54812c as the text (4.61:1)
  • AAA: use #3e5f21 as the text (7.33:1)
  • AA: or shift the background to #212121 (4.66:1)
Aaon black
6.07:1passpassfail
  • AAA: use #6da739 as the text (7.24:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #639834 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 #639834
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 #639834 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/639834-acbea2-564edf-202d1f-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