Color

#218756

#218756
hex#218756
rgbrgb(33, 135, 86)
hslhsl(151, 61%, 33%)
oklchoklch(0.554 0.119 157.2)
Closest name: Center Field (#008b56)Relative luminance 0.1832

Colors that go with #218756

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 →

#872152

#218723 · #218687

#562187 · #875621

Split-complementary

Open in tool →

#872186 · #872321

#232187 · #872152 · #868721

Contrast

#218756 as textRatioAAAA largeAAAFix
Aaon white
4.5:1passpassfail
  • AAA: use #18633e as the text (7.26:1)
Aaon black
4.66:1passpassfail
  • AAA: use #2aac6d as the text (7.22:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #218756 as the background.

Brands using this color

mcpConnect your agent — build around #218756
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 #218756 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/218756-a2beb4-d459d0-1f2d2c-e9f1ea?lock=0&style=vibrant

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Machine-readable: color.md