Color

#37d2ca

#37d2ca
hex#37d2ca
rgbrgb(55, 210, 202)
hslhsl(177, 63%, 52%)
oklchoklch(0.785 0.124 189.7)
Closest name: mediumturquoise (#48d1cc)Relative luminance 0.5117

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d2373f

#37d27d · #378cd2

#ca37d2 · #d2ca37

Split-complementary

Open in tool →

#d2378c · #d27d37

#7d37d2 · #d2373f · #8cd237

Contrast

#37d2ca as textRatioAAAA largeAAAFix
Aaon white
1.87:1failfailfail
  • AA: use #1d817c as the text (4.68:1)
  • AAA: use #16605c as the text (7.34:1)
  • AA: or shift the background to #4d4d4d (4.52:1)
  • AAA: or shift the background to #303030 (7.06:1)
Aaon black
11.23:1passpasspassPasses 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 #37d2ca 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 #37d2ca
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 #37d2ca and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37d2ca-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