Color

#1b552d

#1b552d
hex#1b552d
rgbrgb(27, 85, 45)
hslhsl(139, 52%, 22%)
oklchoklch(0.401 0.09 150.4)
Closest name: O Tannenbaum (#005522)Relative luminance 0.0692

Colors that go with #1b552d

Blue, Emerald Green and Orange Red 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 →

#551b43

#26551b · #1b554b

#2d1b55 · #552d1b

Split-complementary

Open in tool →

#4b1b55 · #551b26

#1b2655 · #551b43 · #554b1b

Contrast

#1b552d as textRatioAAAA largeAAAFix
Aaon white
8.81:1passpasspassPasses AAA — no fix needed.
Aaon black
2.38:1failfailfail
  • AA: use #2b8848 as the text (4.72:1)
  • AAA: use #36ab5b as the text (7.13:1)
  • AA: or shift the background to #bababa (4.54:1)
  • AAA: or shift the background to #e6e6e6 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b552d 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

#1b552d reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b552d
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 #1b552d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b552d-a2beae-c059d4-1f2d2a-ebf1e9?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