Color

#37d2cf

#37d2cf
hex#37d2cf
rgbrgb(55, 210, 207)
hslhsl(179, 63%, 52%)
oklchoklch(0.786 0.123 193)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.5141

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d2373a

#37d282 · #3787d2

#cf37d2 · #d2cf37

Split-complementary

Open in tool →

#d23787 · #d28237

#8237d2 · #d2373a · #87d237

Contrast

#37d2cf as textRatioAAAA largeAAAFix
Aaon white
1.86:1failfailfail
  • AA: use #1d817f as the text (4.67:1)
  • AAA: use #16605e as the text (7.32:1)
  • AA: or shift the background to #4d4d4d (4.54:1)
  • AAA: or shift the background to #303030 (7.09:1)
Aaon black
11.28:1passpasspassPasses 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 #37d2cf as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

mcpConnect your agent — build around #37d2cf
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 #37d2cf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37d2cf-a2bbbe-d45996-1f272d-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