Color

#397c36

#397c36
hex#397c36
rgbrgb(57, 124, 54)
hslhsl(117, 39%, 35%)
oklchoklch(0.525 0.124 142.8)
Closest name: Cucumber Queen (#3c773c)Relative luminance 0.1555

Colors that go with #397c36

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 →

#79367c

#5d7c36 · #367c56

#363a7c · #7c363a

Split-complementary

Open in tool →

#56367c · #7c365d

#365d7c · #79367c · #7c5636

Contrast

#397c36 as textRatioAAAA largeAAAFix
Aaon white
5.11:1passpassfail
  • AAA: use #2e632c as the text (7.15:1)
Aaon black
4.11:1failpassfail
  • AA: use #3d833a as the text (4.51:1)
  • AAA: use #4faa4b as the text (7.18:1)
  • AA: or shift the background to #f2f2f2 (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 #397c36 as the background.

Brands using this color

mcpConnect your agent — build around #397c36
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 #397c36 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397c36-a2bea4-924edf-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