Color

#37c8a9

#37c8a9
hex#37c8a9
rgbrgb(55, 200, 169)
hslhsl(167, 57%, 50%)
oklchoklch(0.75 0.128 174.8)
Closest name: Cockatoo (#58c8b6)Relative luminance 0.4499

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c83756

#37c860 · #379fc8

#a937c8 · #c8a937

Split-complementary

Open in tool →

#c8379f · #c86037

#6037c8 · #c83756 · #9fc837

Contrast

#37c8a9 as textRatioAAAA largeAAAFix
Aaon white
2.1:1failfailfail
  • AA: use #24846f as the text (4.56:1)
  • AAA: use #1b6454 as the text (7.01:1)
  • AA: or shift the background to #454545 (4.56:1)
  • AAA: or shift the background to #262626 (7.2:1)
Aaon black
10:1passpasspassPasses 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 #37c8a9 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 #37c8a9
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 #37c8a9 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37c8a9-a2bebb-d459af-1f2a2d-e9f1ec?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