Color

#218c47

#218c47
hex#218c47
rgbrgb(33, 140, 71)
hslhsl(141, 62%, 34%)
oklchoklch(0.565 0.14 150.4)
Closest name: Center Field (#008b56)Relative luminance 0.1953

Colors that go with #218c47

Charcoal, Crimson and Royal 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 →

#8c2167

#318c21 · #218c7c

#47218c · #8c4721

Split-complementary

Open in tool →

#7c218c · #8c2131

#21318c · #8c2167 · #8c7c21

Contrast

#218c47 as textRatioAAAA largeAAAFix
Aaon white
4.28:1failpassfail
  • AA: use #208844 as the text (4.5:1)
  • AAA: use #176332 as the text (7.32:1)
  • AA: or shift the background to #0d0d0d (4.54:1)
Aaon black
4.91:1passpassfail
  • AAA: use #29ae57 as the text (7.29:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #218c47 as the background.

Brands using this color

mcpConnect your agent — build around #218c47
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 #218c47 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/218c47-a2beaf-c459d4-1f2d2a-eaf1e9?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