Color

#397f47

#397f47
hex#397f47
rgbrgb(57, 127, 71)
hslhsl(132, 38%, 36%)
oklchoklch(0.537 0.112 148.2)
Closest name: Bold Irish (#2a814d)Relative luminance 0.165

Colors that go with #397f47

Charcoal, Royal Blue and Dark Orchid 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 →

#7f3971

#4e7f39 · #397f6a

#47397f · #7f4739

Split-complementary

Open in tool →

#6a397f · #7f394e

#394e7f · #7f3971 · #7f6a39

Contrast

#397f47 as textRatioAAAA largeAAAFix
Aaon white
4.88:1passpassfail
  • AAA: use #2c6337 as the text (7.13:1)
Aaon black
4.3:1failpassfail
  • AA: use #3c864b as the text (4.7:1)
  • AAA: use #4ca95e as the text (7.14:1)
  • AA: or shift the background to #f7f7f7 (4.56:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #397f47 as the background.

Brands using this color

mcpConnect your agent — build around #397f47
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 #397f47 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397f47-a2beab-b64edf-1f2d28-ecf1e9?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