Color

#1d581d

#1d581d
hex#1d581d
rgbrgb(29, 88, 29)
hslhsl(120, 50%, 23%)
oklchoklch(0.408 0.109 143.2)
Closest name: O Tannenbaum (#005522)Relative luminance 0.0733

Tints & shades

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

Harmonies

Complementary

Open in tool →

#581d58

#3b581d · #1d583b

#1d1d58 · #581d1d

Split-complementary

Open in tool →

#3b1d58 · #581d3b

#1d3b58 · #581d58 · #583b1d

Contrast

#1d581d as textRatioAAAA largeAAAFix
Aaon white
8.52:1passpasspassPasses AAA — no fix needed.
Aaon black
2.47:1failfailfail
  • AA: use #2d862d as the text (4.56:1)
  • AAA: use #39ac39 as the text (7.13:1)
  • AA: or shift the background to #bdbdbd (4.53:1)
  • AAA: or shift the background to #ebebeb (7.14:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #1d581d 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

#1d581d reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #1d581d
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 #1d581d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1d581d-a2bea5-994edf-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