Color

#397138

#397138
hex#397138
rgbrgb(57, 113, 56)
hslhsl(119, 34%, 33%)
oklchoklch(0.495 0.106 143.4)
Closest name: Cucumber Queen (#3c773c)Relative luminance 0.1297

Colors that go with #397138

Charcoal, Royal Blue and 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 →

#703871

#557138 · #387153

#383871 · #713838

Split-complementary

Open in tool →

#533871 · #713855

#385571 · #703871 · #715338

Contrast

#397138 as textRatioAAAA largeAAAFix
Aaon white
5.84:1passpassfail
  • AAA: use #326331 as the text (7.08:1)
Aaon black
3.59:1failpassfail
  • AA: use #438542 as the text (4.67:1)
  • AAA: use #54a752 as the text (7.03:1)
  • AA: or shift the background to #e3e3e3 (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 #397138 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 #397138
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 #397138 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397138-a2bea5-964edf-1f2d25-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