Color

#1b552e

#1b552e
hex#1b552e
rgbrgb(27, 85, 46)
hslhsl(140, 52%, 22%)
oklchoklch(0.401 0.089 151)
Closest name: O Tannenbaum (#005522)Relative luminance 0.0693

Colors that go with #1b552e

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 →

#551b42

#25551b · #1b554c

#2e1b55 · #552e1b

Split-complementary

Open in tool →

#4c1b55 · #551b25

#1b2555 · #551b42 · #554c1b

Contrast

#1b552e as textRatioAAAA largeAAAFix
Aaon white
8.8:1passpasspassPasses AAA — no fix needed.
Aaon black
2.39:1failfailfail
  • AA: use #2b884a as the text (4.72:1)
  • AAA: use #36ab5d as the text (7.14:1)
  • AA: or shift the background to #bababa (4.54:1)
  • AAA: or shift the background to #e6e6e6 (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1b552e 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

#1b552e reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1b552e
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 #1b552e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1b552e-a2beaf-c259d4-1f2d2a-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