Color

#37c8be

#37c8be
hex#37c8be
rgbrgb(55, 200, 190)
hslhsl(176, 57%, 50%)
oklchoklch(0.756 0.119 188.1)
Closest name: Cockatoo (#58c8b6)Relative luminance 0.4584

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c83741

#37c876 · #3789c8

#be37c8 · #c8be37

Split-complementary

Open in tool →

#c83789 · #c87637

#7637c8 · #c83741 · #89c837

Contrast

#37c8be as textRatioAAAA largeAAAFix
Aaon white
2.07:1failfailfail
  • AA: use #23807a as the text (4.73:1)
  • AAA: use #1a605b as the text (7.32:1)
  • AA: or shift the background to #454545 (4.64:1)
  • AAA: or shift the background to #292929 (7.04:1)
Aaon black
10.17:1passpasspassPasses 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 #37c8be 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 #37c8be
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 #37c8be and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37c8be-a2bdbe-d4599d-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