Color

#155356

#155356
hex#155356
rgbrgb(21, 83, 86)
hslhsl(183, 61%, 21%)
oklchoklch(0.406 0.061 199.8)
Closest name: Cape Verde (#01554f)Relative luminance 0.0702

Colors that go with #155356

Crimson, Blue and Cadet 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.

Real palettes that use #155356

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#561815

#155639 · #153256

#561553 · #535615

Split-complementary

Open in tool →

#561532 · #563915

#391556 · #561815 · #325615

Contrast

#155356 as textRatioAAAA largeAAAFix
Aaon white
8.74:1passpasspassPasses AAA — no fix needed.
Aaon black
2.4:1failfailfail
  • AA: use #218287 as the text (4.61:1)
  • AAA: use #2aa6ac as the text (7.15:1)
  • AA: or shift the background to #bababa (4.5:1)
  • AAA: or shift the background to #e6e6e6 (7:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #155356 as the background.

Brands using this color

Fonts for this mood

#155356 reads as cool, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #155356
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 #155356 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/155356-a2b9be-d4598e-1f262d-e9f1ee?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