Color

#2b511a

#2b511a
hex#2b511a
rgbrgb(43, 81, 26)
hslhsl(101, 51%, 21%)
oklchoklch(0.393 0.094 137.3)
Closest name: Treetop Cathedral (#2f4a15)Relative luminance 0.0647

Colors that go with #2b511a

Blue, Charcoal and Crimson 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 →

#401a51

#47511a · #1a5124

#1a2c51 · #511a2c

Split-complementary

Open in tool →

#241a51 · #511a47

#1a4751 · #401a51 · #51241a

Contrast

#2b511a as textRatioAAAA largeAAAFix
Aaon white
9.15:1passpasspassPasses AAA — no fix needed.
Aaon black
2.29:1failfailfail
  • AA: use #46832a as the text (4.54:1)
  • AAA: use #5ba937 as the text (7.18:1)
  • AA: or shift the background to #b8b8b8 (4.61:1)
  • AAA: or shift the background to #e3e3e3 (7.13:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #2b511a 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

#2b511a reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #2b511a
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 #2b511a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2b511a-a7bea2-6b4edf-1f2d21-eff1e9?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