Color

Sinister

#12110e
hex#12110e
rgbrgb(18, 17, 14)
hslhsl(45, 13%, 6%)
oklchoklch(0.178 0.006 91.7)
Relative luminance 0.0056

Colors that go with Sinister

Charcoal, Amber and Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0d0e11

#110e0d · #10110d

#0d1110 · #100d11

Split-complementary

Open in tool →

#0d1011 · #0e0d11

#0d110e · #0d0e11 · #110d10

Contrast

Sinister as textRatioAAAA largeAAAFix
Aaon white
18.88:1passpasspassPasses AAA — no fix needed.
Aaon black
1.11:1failfailfail
  • AA: use #7c755f as the text (4.57:1)
  • AAA: use #9d9680 as the text (7.11:1)
  • AA: or shift the background to #7d7d7d (4.59:1)
  • AAA: or shift the background to #9e9e9e (7.05:1)

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

Brands using this color

Palettes built around it

Fonts for this mood

Sinister reads as warm, muted, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around Sinister
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #12110e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/12110e-c4be9c-62afcb-2b2d1f-f1ebe9?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