Color

#397f49

#397f49
hex#397f49
rgbrgb(57, 127, 73)
hslhsl(134, 38%, 36%)
oklchoklch(0.537 0.11 149)
Closest name: Bold Irish (#2a814d)Relative luminance 0.1653

Colors that go with #397f49

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 →

#7f396e

#4c7f39 · #397f6c

#49397f · #7f4939

Split-complementary

Open in tool →

#6c397f · #7f394c

#394c7f · #7f396e · #7f6c39

Contrast

#397f49 as textRatioAAAA largeAAAFix
Aaon white
4.88:1passpassfail
  • AAA: use #2c6339 as the text (7.12:1)
Aaon black
4.31:1failpassfail
  • AA: use #3c864d as the text (4.71:1)
  • AAA: use #4ca962 as the text (7.16:1)
  • AA: or shift the background to #f7f7f7 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #397f49 as the background.

Brands using this color

mcpConnect your agent — build around #397f49
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 #397f49 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397f49-a2beac-b559d4-1f2d29-ebf1e9?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