Color

#339b31

#339b31
hex#339b31
rgbrgb(51, 155, 49)
hslhsl(119, 52%, 40%)
oklchoklch(0.608 0.172 142.8)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2437

Colors that go with #339b31

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 →

#99319b

#689b31 · #319b64

#31339b · #9b3133

Split-complementary

Open in tool →

#64319b · #9b3168

#31689b · #99319b · #9b6431

Contrast

#339b31 as textRatioAAAA largeAAAFix
Aaon white
3.58:1failpassfail
  • AA: use #2c882b as the text (4.5:1)
  • AAA: use #216520 as the text (7.13:1)
  • AA: or shift the background to #212121 (4.5:1)
Aaon black
5.87:1passpassfail
  • AAA: use #38ab36 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #339b31 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 #339b31
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 #339b31 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/339b31-a2bea5-964edf-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