Color

#218c72

#218c72
hex#218c72
rgbrgb(33, 140, 114)
hslhsl(165, 62%, 34%)
oklchoklch(0.575 0.102 172.1)
Closest name: Elf (#1b8a6b)Relative luminance 0.2029

Colors that go with #218c72

Charcoal, Copper and Crimson 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 →

#8c213c

#218c3c · #21728c

#72218c · #8c7221

Split-complementary

Open in tool →

#8c2172 · #8c3c21

#3c218c · #8c213c · #728c21

Contrast

#218c72 as textRatioAAAA largeAAAFix
Aaon white
4.15:1failpassfail
  • AA: use #1f846b as the text (4.59:1)
  • AAA: use #176350 as the text (7.15:1)
  • AA: or shift the background to #121212 (4.51:1)
Aaon black
5.06:1passpassfail
  • AAA: use #28a989 as the text (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #218c72 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 #218c72
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 #218c72 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/218c72-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