Color

#155140

#155140
hex#155140
rgbrgb(21, 81, 64)
hslhsl(163, 59%, 20%)
oklchoklch(0.392 0.067 170.1)
Closest name: Cape Verde (#01554f)Relative luminance 0.0641

Colors that go with #155140

Crimson, Blue and Deep Sky 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 →

#511526

#155122 · #154451

#401551 · #514015

Split-complementary

Open in tool →

#511544 · #512215

#221551 · #511526 · #445115

Contrast

#155140 as textRatioAAAA largeAAAFix
Aaon white
9.2:1passpasspassPasses AAA — no fix needed.
Aaon black
2.28:1failfailfail
  • AA: use #23866a as the text (4.69:1)
  • AAA: use #2caa86 as the text (7.2:1)
  • AA: or shift the background to #b8b8b8 (4.64:1)
  • AAA: or shift the background to #e3e3e3 (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #155140 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#155140 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #155140
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 #155140 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/155140-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