Color

#218266

#218266
hex#218266
rgbrgb(33, 130, 102)
hslhsl(163, 60%, 32%)
oklchoklch(0.544 0.098 169)
Closest name: Elf (#1b8a6b)Relative luminance 0.1725

Colors that go with #218266

Charcoal, Crimson and Medium Violet Red 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 →

#83213c

#218336 · #216d83

#672183 · #836721

Split-complementary

Open in tool →

#83216d · #833621

#362183 · #83213c · #6d8321

Contrast

#218266 as textRatioAAAA largeAAAFix
Aaon white
4.72:1passpassfail
  • AAA: use #18624d as the text (7.26:1)
Aaon black
4.45:1failpassfail
  • AA: use #22876a as the text (4.74:1)
  • AAA: use #2bab87 as the text (7.28:1)
  • AA: or shift the background to #fafafa (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #218266 as the background.

Brands using this color

mcpConnect your agent — build around #218266
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 #218266 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/218266-a2beb9-d459b7-1f2b2d-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