Color

#39743b

#39743b
hex#39743b
rgbrgb(57, 116, 59)
hslhsl(122, 34%, 34%)
oklchoklch(0.504 0.107 144.4)
Closest name: Cucumber Queen (#3c773c)Relative luminance 0.1368

Colors that go with #39743b

Charcoal, Royal Blue and Rust 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 →

#743972

#557439 · #397459

#3b3974 · #743b39

Split-complementary

Open in tool →

#593974 · #743955

#395574 · #743972 · #745939

Contrast

#39743b as textRatioAAAA largeAAAFix
Aaon white
5.62:1passpassfail
  • AAA: use #316332 as the text (7.09:1)
Aaon black
3.74:1failpassfail
  • AA: use #428544 as the text (4.67:1)
  • AAA: use #52a755 as the text (7.02:1)
  • AA: or shift the background to #e6e6e6 (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39743b 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 #39743b
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 #39743b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39743b-a2bea6-9e4edf-1f2d26-edf1e9?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