Color

#397f3c

#397f3c
hex#397f3c
rgbrgb(57, 127, 60)
hslhsl(123, 38%, 36%)
oklchoklch(0.535 0.123 144.4)
Closest name: Bold Irish (#2a814d)Relative luminance 0.1637

Colors that go with #397f3c

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 →

#7f397b

#587f39 · #397f5f

#3c397f · #7f3c39

Split-complementary

Open in tool →

#5f397f · #7f3958

#39587f · #7f397b · #7f5f39

Contrast

#397f3c as textRatioAAAA largeAAAFix
Aaon white
4.91:1passpassfail
  • AAA: use #2c632f as the text (7.16:1)
Aaon black
4.27:1failpassfail
  • AA: use #3c8640 as the text (4.68:1)
  • AAA: use #4ca951 as the text (7.1:1)
  • 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 #397f3c 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 #397f3c
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 #397f3c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/397f3c-a2bea6-a04edf-1f2d26-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