Color

#216e4e

#216e4e
hex#216e4e
rgbrgb(33, 110, 78)
hslhsl(155, 54%, 28%)
oklchoklch(0.483 0.091 161.8)
Closest name: Into the Green (#0d6c49)Relative luminance 0.1203

Colors that go with #216e4e

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 →

#6e2141

#216e27 · #21686e

#4e216e · #6e4e21

Split-complementary

Open in tool →

#6e2168 · #6e2721

#27216e · #6e2141 · #686e21

Contrast

#216e4e as textRatioAAAA largeAAAFix
Aaon white
6.17:1passpassfail
  • AAA: use #1d6245 as the text (7.28:1)
Aaon black
3.41:1failpassfail
  • AA: use #28865f as the text (4.67:1)
  • AAA: use #32a978 as the text (7.08:1)
  • AA: or shift the background to #dedede (4.58:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #216e4e as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#216e4e reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #216e4e
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 #216e4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/216e4e-a2beb6-d459c8-1f2d2d-e9f1ea?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