Color

#397f39

#397f39
hex#397f39
rgbrgb(57, 127, 57)
hslhsl(120, 38%, 36%)
oklchoklch(0.534 0.126 143.6)
Closest name: Bold Irish (#2a814d)Relative luminance 0.1634

Colors that go with #397f39

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 →

#7f397f

#5c7f39 · #397f5c

#39397f · #7f3939

Split-complementary

Open in tool →

#5c397f · #7f395c

#395c7f · #7f397f · #7f5c39

Contrast

#397f39 as textRatioAAAA largeAAAFix
Aaon white
4.92:1passpassfail
  • AAA: use #2c632c as the text (7.17:1)
Aaon black
4.27:1failpassfail
  • AA: use #3c863c as the text (4.67:1)
  • AAA: use #4ca94c as the text (7.09:1)
  • AA: or shift the background to #f5f5f5 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #397f39 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 #397f39
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 #397f39 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397f39-a2bea5-994edf-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