Color

#399356

#399356
hex#399356
rgbrgb(57, 147, 86)
hslhsl(139, 44%, 40%)
oklchoklch(0.593 0.126 151.2)
Closest name: Eucalyptus (#329760)Relative luminance 0.2241

Colors that go with #399356

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 →

#933976

#4a9339 · #399382

#563993 · #935639

Split-complementary

Open in tool →

#823993 · #93394a

#394a93 · #933976 · #938239

Contrast

#399356 as textRatioAAAA largeAAAFix
Aaon white
3.83:1failpassfail
  • AA: use #33844d as the text (4.62:1)
  • AAA: use #27633a as the text (7.16:1)
  • AA: or shift the background to #1a1a1a (4.54:1)
Aaon black
5.48:1passpassfail
  • AAA: use #42a962 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #399356 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 #399356
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 #399356 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/399356-a2beae-c059d4-1f2d2a-ebf1e9?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