Color

#37d7cf

#37d7cf
hex#37d7cf
rgbrgb(55, 215, 207)
hslhsl(177, 67%, 53%)
oklchoklch(0.799 0.127 189.8)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.5392

Colors that go with #37d7cf

Charcoal, Deep Sky Blue and Blue 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 →

#d7373f

#37d77f · #378fd7

#cf37d7 · #d7cf37

Split-complementary

Open in tool →

#d7378f · #d77f37

#7f37d7 · #d7373f · #8fd737

Contrast

#37d7cf as textRatioAAAA largeAAAFix
Aaon white
1.78:1failfailfail
  • AA: use #1a847f as the text (4.52:1)
  • AAA: use #13625e as the text (7.15:1)
  • AA: or shift the background to #4f4f4f (4.6:1)
  • AAA: or shift the background to #333333 (7.09:1)
Aaon black
11.78:1passpasspassPasses 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 #37d7cf 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 #37d7cf
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 #37d7cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37d7cf-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