Color

#37864e

#37864e
hex#37864e
rgbrgb(55, 134, 78)
hslhsl(137, 42%, 37%)
oklchoklch(0.556 0.116 150.5)
Closest name: seagreen (#2e8b57)Relative luminance 0.1841

Tints & shades

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

Harmonies

Complementary

Open in tool →

#863770

#488637 · #378675

#4d3786 · #864d37

Split-complementary

Open in tool →

#753786 · #863748

#374886 · #863770 · #867537

Contrast

#37864e as textRatioAAAA largeAAAFix
Aaon white
4.48:1failpassfail
  • AA: use #35824b as the text (4.72:1)
  • AAA: use #286238 as the text (7.26:1)
  • AA: or shift the background to #050505 (4.54:1)
Aaon black
4.68:1passpassfail
  • AAA: use #46aa62 as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37864e as the background.

Brands using this color

mcpConnect your agent — build around #37864e
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 #37864e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37864e-a2bead-bb59d4-1f2d29-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