Color

#339d15

#339d15
hex#339d15
rgbrgb(51, 157, 21)
hslhsl(107, 76%, 35%)
oklchoklch(0.611 0.19 140.3)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2487

Colors that go with #339d15

Charcoal, Crimson and Denim 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 →

#80159d

#779d15 · #159d3c

#15339d · #9d1533

Split-complementary

Open in tool →

#3c159d · #9d1577

#15779d · #80159d · #9d3c15

Contrast

#339d15 as textRatioAAAA largeAAAFix
Aaon white
3.52:1failpassfail
  • AA: use #2c8712 as the text (4.58:1)
  • AAA: use #20630d as the text (7.36:1)
  • AA: or shift the background to #212121 (4.58:1)
Aaon black
5.97:1passpassfail
  • AAA: use #39af18 as the text (7.32:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #339d15 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 #339d15
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 #339d15 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/339d15-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