Color

#151918

#151918
hex#151918
rgbrgb(21, 25, 24)
hslhsl(165, 9%, 9%)
oklchoklch(0.209 0.006 179)
Closest name: Black Stallion (#0e191c)Relative luminance 0.0092

Tints & shades

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

Harmonies

Complementary

Open in tool →

#191516

#151916 · #151819

#181519 · #191815

Split-complementary

Open in tool →

#191518 · #191615

#161519 · #191516 · #181915

Contrast

#151918 as textRatioAAAA largeAAAFix
Aaon white
17.73:1passpasspassPasses AAA — no fix needed.
Aaon black
1.18:1failfailfail
  • AA: use #667a75 as the text (4.61:1)
  • AAA: use #879b96 as the text (7.16:1)
  • AA: or shift the background to #828282 (4.61:1)
  • AAA: or shift the background to #a3a3a3 (7.03:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #151918 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#151918 reads as muted, dark, luxury. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #151918
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 #151918 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/151918-a2beba-d459b3-1f2b2d-e9f1eb?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