Color

#151b04

#151b04
hex#151b04
rgbrgb(21, 27, 4)
hslhsl(76, 74%, 6%)
oklchoklch(0.209 0.042 121.8)
Closest name: Noir Mystique (#1f180a)Relative luminance 0.0095

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0a041b

#1b1504 · #091b04

#04151b · #1b0415

Split-complementary

Open in tool →

#04091b · #15041b

#041b15 · #0a041b · #1b0409

Contrast

#151b04 as textRatioAAAA largeAAAFix
Aaon white
17.64:1passpasspassPasses AAA — no fix needed.
Aaon black
1.19:1failfailfail
  • AA: use #638113 as the text (4.68:1)
  • AAA: use #7fa419 as the text (7.23:1)
  • AA: or shift the background to #828282 (4.59:1)
  • AAA: or shift the background to #a6a6a6 (7.25:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #151b04 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

#151b04 reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #151b04
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 #151b04 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/151b04-b3bea2-4e6edf-232d1f-f1efe9?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