Color

#1d511a

#1d511a
hex#1d511a
rgbrgb(29, 81, 26)
hslhsl(117, 51%, 21%)
oklchoklch(0.386 0.102 142.4)
Closest name: Mysterious Mixture (#0f521a)Relative luminance 0.0622

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4e1a51

#38511a · #1a5133

#1a1d51 · #511a1d

Split-complementary

Open in tool →

#331a51 · #511a38

#1a3851 · #4e1a51 · #51331a

Contrast

#1d511a as textRatioAAAA largeAAAFix
Aaon white
9.36:1passpasspassPasses AAA — no fix needed.
Aaon black
2.24:1failfailfail
  • AA: use #30872c as the text (4.63:1)
  • AAA: use #3ead38 as the text (7.24:1)
  • AA: or shift the background to #b5b5b5 (4.56:1)
  • AAA: or shift the background to #e0e0e0 (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d511a 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

#1d511a reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d511a
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 #1d511a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d511a-a2bea4-924edf-1f2d25-edf1e9?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