Color

#37cd8a

#37cd8a
hex#37cd8a
rgbrgb(55, 205, 138)
hslhsl(153, 60%, 51%)
oklchoklch(0.755 0.158 158.9)
Closest name: Emerald Green (#50c878)Relative luminance 0.4631

Colors that go with #37cd8a

Charcoal, Deep Sky Blue and Mustard Yellow 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 →

#cd377b

#37cd3f · #37c6cd

#8a37cd · #cd8a37

Split-complementary

Open in tool →

#cd37c6 · #cd3f37

#3f37cd · #cd377b · #c6cd37

Contrast

#37cd8a as textRatioAAAA largeAAAFix
Aaon white
2.05:1failfailfail
  • AA: use #218356 as the text (4.72:1)
  • AAA: use #186241 as the text (7.34:1)
  • AA: or shift the background to #474747 (4.54:1)
  • AAA: or shift the background to #292929 (7.11:1)
Aaon black
10.26:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #37cd8a as the background.

Brands using this color

mcpConnect your agent — build around #37cd8a
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 #37cd8a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37cd8a-a2beb5-d459cc-1f2d2d-e9f1ea?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