Color

#339963

#339963
hex#339963
rgbrgb(51, 153, 99)
hslhsl(148, 50%, 40%)
oklchoklch(0.61 0.125 156.2)
Closest name: Eucalyptus (#329760)Relative luminance 0.2439

Colors that go with #339963

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 →

#993369

#369933 · #339996

#633399 · #996333

Split-complementary

Open in tool →

#963399 · #993336

#333699 · #993369 · #999633

Contrast

#339963 as textRatioAAAA largeAAAFix
Aaon white
3.57:1failpassfail
  • AA: use #2d8656 as the text (4.51:1)
  • AAA: use #216340 as the text (7.18:1)
  • AA: or shift the background to #212121 (4.51:1)
Aaon black
5.88:1passpassfail
  • AAA: use #39ac6f as the text (7.3:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #339963 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 #339963
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 #339963 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/339963-a2beb2-d259d4-1f2d2c-eaf1e9?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