Color

#255b42

#255b42
hex#255b42
rgbrgb(37, 91, 66)
hslhsl(152, 42%, 25%)
oklchoklch(0.427 0.072 161)
Closest name: Evergreen (#125b49)Relative luminance 0.0827

Colors that go with #255b42

Blue, Crimson and Denim 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 #255b42

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5b253e

#255b27 · #25595b

#42255b · #5b4225

Split-complementary

Open in tool →

#5b2559 · #5b2725

#27255b · #5b253e · #595b25

Contrast

#255b42 as textRatioAAAA largeAAAFix
Aaon white
7.91:1passpasspassPasses AAA — no fix needed.
Aaon black
2.65:1failfailfail
  • AA: use #35825e as the text (4.51:1)
  • AAA: use #44a779 as the text (7.05:1)
  • AA: or shift the background to #c4c4c4 (4.54:1)
  • AAA: or shift the background to #f2f2f2 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #255b42 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#255b42 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #255b42
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 #255b42 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/255b42-a2beb4-d459ce-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