Color

#37c8a4

#37c8a4
hex#37c8a4
rgbrgb(55, 200, 164)
hslhsl(165, 57%, 50%)
oklchoklch(0.749 0.131 172)
Closest name: Cockatoo (#58c8b6)Relative luminance 0.448

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c8375b

#37c85b · #37a4c8

#a437c8 · #c8a437

Split-complementary

Open in tool →

#c837a4 · #c85b37

#5b37c8 · #c8375b · #a4c837

Contrast

#37c8a4 as textRatioAAAA largeAAAFix
Aaon white
2.11:1failfailfail
  • AA: use #24846c as the text (4.57:1)
  • AAA: use #1b6452 as the text (7.02:1)
  • AA: or shift the background to #454545 (4.55:1)
  • AAA: or shift the background to #262626 (7.18:1)
Aaon black
9.96:1passpasspassPasses 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 #37c8a4 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 #37c8a4
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 #37c8a4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37c8a4-a2beba-d459b3-1f2b2d-e9f1eb?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