Color

#337a64

#337a64
hex#337a64
rgbrgb(51, 122, 100)
hslhsl(161, 41%, 34%)
oklchoklch(0.528 0.08 170)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1554

Colors that go with #337a64

Charcoal, Crimson and Medium Violet Red 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 →

#7a334a

#337a40 · #336d7a

#64337a · #7a6433

Split-complementary

Open in tool →

#7a336d · #7a4033

#40337a · #7a334a · #6d7a33

Contrast

#337a64 as textRatioAAAA largeAAAFix
Aaon white
5.11:1passpassfail
  • AAA: use #29614f as the text (7.2:1)
Aaon black
4.11:1failpassfail
  • AA: use #36816a as the text (4.51:1)
  • AAA: use #47a98a as the text (7.31:1)
  • AA: or shift the background to #f2f2f2 (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #337a64 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 #337a64
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 #337a64 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/337a64-a2beb8-d459bb-1f2c2d-e9f1eb?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