Color

#397a38

#397a38
hex#397a38
rgbrgb(57, 122, 56)
hslhsl(119, 37%, 35%)
oklchoklch(0.52 0.119 143.3)
Closest name: Cucumber Queen (#3c773c)Relative luminance 0.1507

Colors that go with #397a38

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 →

#79387a

#5a7a38 · #387a58

#38397a · #7a3839

Split-complementary

Open in tool →

#58387a · #7a385a

#385a7a · #79387a · #7a5838

Contrast

#397a38 as textRatioAAAA largeAAAFix
Aaon white
5.23:1passpassfail
  • AAA: use #2e622d as the text (7.24:1)
Aaon black
4.01:1failpassfail
  • AA: use #3e853d as the text (4.63:1)
  • AAA: use #4fa84d as the text (7.04:1)
  • AA: or shift the background to #f0f0f0 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #397a38 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 #397a38
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 #397a38 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397a38-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