Color

#39b15f

#39b15f
hex#39b15f
rgbrgb(57, 177, 95)
hslhsl(139, 51%, 46%)
oklchoklch(0.675 0.159 150.1)
Closest name: Green Mana (#26b467)Relative luminance 0.3314

Colors that go with #39b15f

Charcoal, Mustard Yellow 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 →

#b1398b

#4fb139 · #39b19b

#5f39b1 · #b15f39

Split-complementary

Open in tool →

#9b39b1 · #b1394f

#394fb1 · #b1398b · #b19b39

Contrast

#39b15f as textRatioAAAA largeAAAFix
Aaon white
2.75:1failfailfail
  • AA: use #2a8346 as the text (4.74:1)
  • AAA: use #206436 as the text (7.15:1)
  • AA: or shift the background to #333333 (4.59:1)
  • AAA: or shift the background to #0d0d0d (7.06:1)
Aaon black
7.63:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #39b15f as the background.

Brands using this color

mcpConnect your agent — build around #39b15f
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 #39b15f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/39b15f-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