Color

#639744

#639744
hex#639744
rgbrgb(99, 151, 68)
hslhsl(98, 38%, 43%)
oklchoklch(0.62 0.127 135.2)
Closest name: Bitter Leaf (#669841)Relative luminance 0.252

Colors that go with #639744

Charcoal, Blue and Copper 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 →

#794497

#8c9744 · #44974f

#446397 · #974463

Split-complementary

Open in tool →

#4f4497 · #97448c

#448c97 · #794497 · #974f44

Contrast

#639744 as textRatioAAAA largeAAAFix
Aaon white
3.48:1failpassfail
  • AA: use #55823a as the text (4.53:1)
  • AAA: use #3e5f2b as the text (7.3:1)
  • AA: or shift the background to #212121 (4.63:1)
Aaon black
6.04:1passpassfail
  • AAA: use #6ca54a as the text (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #639744 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 #639744
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 #639744 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/639744-a9bea2-644edf-1f2d20-f0f1e9?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