Color

#399136

#399136
hex#399136
rgbrgb(57, 145, 54)
hslhsl(118, 46%, 39%)
oklchoklch(0.583 0.153 142.8)
Closest name: Overgrown Mausoleum (#448833)Relative luminance 0.2139

Colors that go with #399136

Charcoal, Crimson and Royal 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 →

#8e3691

#669136 · #369160

#363991 · #913639

Split-complementary

Open in tool →

#603691 · #913666

#366691 · #8e3691 · #916036

Contrast

#399136 as textRatioAAAA largeAAAFix
Aaon white
3.98:1failpassfail
  • AA: use #348632 as the text (4.56:1)
  • AAA: use #276525 as the text (7.06:1)
  • AA: or shift the background to #171717 (4.51:1)
Aaon black
5.28:1passpassfail
  • AAA: use #43ab3f as the text (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #399136 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 #399136
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 #399136 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/399136-a2bea4-944edf-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