Color

#39991e

#39991e
hex#39991e
rgbrgb(57, 153, 30)
hslhsl(107, 67%, 36%)
oklchoklch(0.603 0.179 140)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2375

Colors that go with #39991e

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 →

#7f1e99

#76991e · #1e9941

#1e3999 · #991e39

Split-complementary

Open in tool →

#411e99 · #991e76

#1e7699 · #7f1e99 · #99411e

Contrast

#39991e as textRatioAAAA largeAAAFix
Aaon white
3.65:1failpassfail
  • AA: use #31841a as the text (4.72:1)
  • AAA: use #266614 as the text (7.02:1)
  • AA: or shift the background to #1f1f1f (4.51:1)
Aaon black
5.75:1passpassfail
  • AAA: use #41af23 as the text (7.38:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39991e 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 #39991e
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 #39991e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39991e-a5bea2-7a4edf-1f2d22-eff1e9?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