Color

#337a4a

#337a4a
hex#337a4a
rgbrgb(51, 122, 74)
hslhsl(139, 41%, 34%)
oklchoklch(0.521 0.104 151.7)
Closest name: Amazon (#387b54)Relative luminance 0.1512

Colors that go with #337a4a

Charcoal, Royal Blue 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 →

#7a3364

#407a33 · #337a6d

#4a337a · #7a4a33

Split-complementary

Open in tool →

#6d337a · #7a3340

#33407a · #7a3364 · #7a6d33

Contrast

#337a4a as textRatioAAAA largeAAAFix
Aaon white
5.22:1passpassfail
  • AAA: use #29613a as the text (7.33:1)
Aaon black
4.02:1failpassfail
  • AA: use #388550 as the text (4.64:1)
  • AAA: use #47a966 as the text (7.13:1)
  • AA: or shift the background to #f0f0f0 (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #337a4a as the background.

Brands using this color

mcpConnect your agent — build around #337a4a
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 #337a4a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/337a4a-a2beae-c059d4-1f2d2a-ebf1e9?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