Color

#37c8a6

#37c8a6
hex#37c8a6
rgbrgb(55, 200, 166)
hslhsl(166, 57%, 50%)
oklchoklch(0.749 0.13 173.1)
Closest name: Cockatoo (#58c8b6)Relative luminance 0.4487

Colors that go with #37c8a6

Charcoal, Hot Pink and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c83759

#37c85e · #37a1c8

#a637c8 · #c8a637

Split-complementary

Open in tool →

#c837a1 · #c85e37

#5e37c8 · #c83759 · #a1c837

Contrast

#37c8a6 as textRatioAAAA largeAAAFix
Aaon white
2.11:1failfailfail
  • AA: use #24846e as the text (4.56:1)
  • AAA: use #1b6453 as the text (7.01:1)
  • AA: or shift the background to #454545 (4.55:1)
  • AAA: or shift the background to #262626 (7.19:1)
Aaon black
9.97:1passpasspassPasses 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 #37c8a6 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 #37c8a6
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #37c8a6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/37c8a6-a2bebb-d459b1-1f2a2d-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