Color

#151b09

#151b09
hex#151b09
rgbrgb(21, 27, 9)
hslhsl(80, 50%, 7%)
oklchoklch(0.21 0.034 124.4)
Closest name: Noir Mystique (#1f180a)Relative luminance 0.0096

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0f091b

#1b1809 · #0c1b09

#09151b · #1b0915

Split-complementary

Open in tool →

#090c1b · #18091b

#091b18 · #0f091b · #1b090c

Contrast

#151b09 as textRatioAAAA largeAAAFix
Aaon white
17.61:1passpasspassPasses AAA — no fix needed.
Aaon black
1.19:1failfailfail
  • AA: use #627e2a as the text (4.54:1)
  • AAA: use #7da136 as the text (7.02:1)
  • AA: or shift the background to #828282 (4.58:1)
  • AAA: or shift the background to #a6a6a6 (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #151b09 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

#151b09 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #151b09
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 #151b09 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/151b09-b1bea2-4e64df-232d1f-f1f0e9?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