Color

#255b59

#255b59
hex#255b59
rgbrgb(37, 91, 89)
hslhsl(178, 42%, 25%)
oklchoklch(0.435 0.057 192)
Closest name: Enchanting Ivy (#315955)Relative luminance 0.086

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5b2527

#255b3e · #25425b

#59255b · #5b5925

Split-complementary

Open in tool →

#5b2542 · #5b3e25

#3e255b · #5b2527 · #425b25

Contrast

#255b59 as textRatioAAAA largeAAAFix
Aaon white
7.72:1passpasspassPasses AAA — no fix needed.
Aaon black
2.72:1failfailfail
  • AA: use #358280 as the text (4.66:1)
  • AAA: use #44a7a3 as the text (7.3:1)
  • AA: or shift the background to #c7c7c7 (4.57:1)
  • AAA: or shift the background to #f5f5f5 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #255b59 as the background.

Brands using this color

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

Palettes built around it

Fonts for this mood

#255b59 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #255b59
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 #255b59 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/255b59-a2bcbe-d45999-1f282d-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