Color

#337a3f

#337a3f
hex#337a3f
rgbrgb(51, 122, 63)
hslhsl(130, 41%, 34%)
oklchoklch(0.519 0.115 147.1)
Closest name: Cucumber Queen (#3c773c)Relative luminance 0.1498

Colors that go with #337a3f

Charcoal, Dark Orchid 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 →

#7a336e

#4b7a33 · #337a63

#3f337a · #7a3f33

Split-complementary

Open in tool →

#63337a · #7a334b

#334b7a · #7a336e · #7a6333

Contrast

#337a3f as textRatioAAAA largeAAAFix
Aaon white
5.25:1passpassfail
  • AAA: use #296132 as the text (7.37:1)
Aaon black
4:1failpassfail
  • AA: use #388545 as the text (4.61:1)
  • AAA: use #47a957 as the text (7.08:1)
  • AA: or shift the background to #f0f0f0 (4.61:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #337a3f 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 #337a3f
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 #337a3f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/337a3f-a2beaa-b14edf-1f2d28-ecf1e9?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