Color

#399f32

#399f32
hex#399f32
rgbrgb(57, 159, 50)
hslhsl(116, 52%, 41%)
oklchoklch(0.621 0.174 142.2)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.259

Colors that go with #399f32

Charcoal, Crimson 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 →

#98329f

#709f32 · #329f61

#32399f · #9f3239

Split-complementary

Open in tool →

#61329f · #9f3270

#32709f · #98329f · #9f6132

Contrast

#399f32 as textRatioAAAA largeAAAFix
Aaon white
3.4:1failpassfail
  • AA: use #30842a as the text (4.71:1)
  • AAA: use #246520 as the text (7.1:1)
  • AA: or shift the background to #242424 (4.57:1)
Aaon black
6.18:1passpassfail
  • AAA: use #3eab36 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 #399f32 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 #399f32
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 #399f32 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/399f32-a2bea3-8f4edf-1f2d24-eef1e9?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