Color

#337a76

#337a76
hex#337a76
rgbrgb(51, 122, 118)
hslhsl(177, 41%, 34%)
oklchoklch(0.534 0.071 190.2)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1593

Colors that go with #337a76

Charcoal, Crimson and Champagne 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 →

#7a3337

#337a53 · #335a7a

#77337a · #7a7733

Split-complementary

Open in tool →

#7a335a · #7a5333

#53337a · #7a3337 · #5a7a33

Contrast

#337a76 as textRatioAAAA largeAAAFix
Aaon white
5.02:1passpassfail
  • AAA: use #29615e as the text (7.08:1)
Aaon black
4.19:1failpassfail
  • AA: use #36817e as the text (4.6:1)
  • AAA: use #45a5a1 as the text (7.15:1)
  • AA: or shift the background to #f5f5f5 (4.6:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #337a76 as the background.

Brands using this color

mcpConnect your agent — build around #337a76
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 #337a76 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/337a76-a2bcbe-d4599b-1f282d-e9f1ed?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