Color

#0a290a

#0a290a
hex#0a290a
rgbrgb(10, 41, 10)
hslhsl(120, 61%, 10%)
oklchoklch(0.249 0.065 143.3)
Closest name: Lindworm Green (#172808)Relative luminance 0.0167

Tints & shades

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

Harmonies

Complementary

Open in tool →

#290a29

#1a290a · #0a291a

#0a0a29 · #290a0a

Split-complementary

Open in tool →

#1a0a29 · #290a1a

#0a1a29 · #290a29 · #291a0a

Contrast

#0a290a as textRatioAAAA largeAAAFix
Aaon white
15.74:1passpasspassPasses AAA — no fix needed.
Aaon black
1.33:1failfailfail
  • AA: use #218721 as the text (4.55:1)
  • AAA: use #2aac2a as the text (7.03:1)
  • AA: or shift the background to #8a8a8a (4.56:1)
  • AAA: or shift the background to #adadad (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #0a290a 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

#0a290a reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #0a290a
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 #0a290a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/0a290a-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