Color

#397f29

#397f29
hex#397f29
rgbrgb(57, 127, 41)
hslhsl(109, 51%, 33%)
oklchoklch(0.532 0.14 140.2)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.1621

Colors that go with #397f29

Charcoal, Crimson and Royal 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 →

#6f297f

#647f29 · #297f44

#29397f · #7f2939

Split-complementary

Open in tool →

#44297f · #7f2964

#29647f · #6f297f · #7f4429

Contrast

#397f29 as textRatioAAAA largeAAAFix
Aaon white
4.95:1passpassfail
  • AAA: use #2d6420 as the text (7.11:1)
Aaon black
4.24:1failpassfail
  • AA: use #3c872c as the text (4.69:1)
  • AAA: use #4ca937 as the text (7.04:1)
  • AA: or shift the background to #f5f5f5 (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #397f29 as the background.

Brands using this color

mcpConnect your agent — build around #397f29
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 #397f29 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397f29-a4bea2-7e4edf-1f2d23-eef1e9?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