Color

#03811a

#03811a
hex#03811a
rgbrgb(3, 129, 26)
hslhsl(131, 95%, 26%)
oklchoklch(0.524 0.168 144.1)
Closest name: green (#008000)Relative luminance 0.1579

Tints & shades

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

Harmonies

Complementary

Open in tool →

#81036a

#2b8103 · #038159

#1a0381 · #811a03

Split-complementary

Open in tool →

#590381 · #81032b

#032b81 · #81036a · #815903

Contrast

#03811a as textRatioAAAA largeAAAFix
Aaon white
5.05:1passpassfail
  • AAA: use #036815 as the text (7.01:1)
Aaon black
4.16:1failpassfail
  • AA: use #048b1c as the text (4.71:1)
  • AAA: use #04ae24 as the text (7.09:1)
  • AA: or shift the background to #f2f2f2 (4.51:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #03811a 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

#03811a reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #03811a
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 #03811a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03811a-a2beaa-b34edf-1f2d28-ecf1e9?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