Color

#337a74

#337a74
hex#337a74
rgbrgb(51, 122, 116)
hslhsl(175, 41%, 34%)
oklchoklch(0.533 0.071 187.7)
Closest name: Green Sleeves (#39766c)Relative luminance 0.1588

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#7a3339

#337a51 · #335d7a

#74337a · #7a7433

Split-complementary

Open in tool →

#7a335d · #7a5133

#51337a · #7a3339 · #5d7a33

Contrast

#337a74 as textRatioAAAA largeAAAFix
Aaon white
5.03:1passpassfail
  • AAA: use #29615c as the text (7.1:1)
Aaon black
4.18:1failpassfail
  • AA: use #36817b as the text (4.58:1)
  • AAA: use #45a59d as the text (7.12:1)
  • AA: or shift the background to #f5f5f5 (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 #337a74 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 #337a74
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #337a74 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/337a74-a2bdbe-d4599f-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