Color

#339f1d

#339f1d
hex#339f1d
rgbrgb(51, 159, 29)
hslhsl(110, 69%, 37%)
oklchoklch(0.617 0.189 140.9)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2559

Colors that go with #339f1d

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 →

#8a1d9f

#749f1d · #1d9f49

#1d339f · #9f1d33

Split-complementary

Open in tool →

#491d9f · #9f1d74

#1d749f · #8a1d9f · #9f491d

Contrast

#339f1d as textRatioAAAA largeAAAFix
Aaon white
3.43:1failpassfail
  • AA: use #2b8619 as the text (4.64:1)
  • AAA: use #206312 as the text (7.36:1)
  • AA: or shift the background to #242424 (4.52:1)
Aaon black
6.12:1passpassfail
  • AAA: use #37ac20 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 #339f1d 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 #339f1d
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 #339f1d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/339f1d-a3bea2-814edf-1f2d23-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