Color

#255455

#255455
hex#255455
rgbrgb(37, 84, 85)
hslhsl(181, 39%, 24%)
oklchoklch(0.414 0.051 197.2)
Closest name: darkslategray (#2f4f4f)Relative luminance 0.0739

Tints & shades

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

Harmonies

Complementary

Open in tool →

#552625

#25553e · #253c55

#552554 · #545525

Split-complementary

Open in tool →

#55253c · #553e25

#3e2555 · #552625 · #3c5525

Contrast

#255455 as textRatioAAAA largeAAAFix
Aaon white
8.47:1passpasspassPasses AAA — no fix needed.
Aaon black
2.48:1failfailfail
  • AA: use #3a8283 as the text (4.7:1)
  • AAA: use #49a5a7 as the text (7.22:1)
  • AA: or shift the background to #bdbdbd (4.51:1)
  • AAA: or shift the background to #ebebeb (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #255455 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Fonts for this mood

#255455 reads as cool, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #255455
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #255455 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/255455-a2babe-d45992-1f272d-e9f1ed?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