Color

#901d09

#901d09
hex#901d09
rgbrgb(144, 29, 9)
hslhsl(9, 88%, 30%)
oklchoklch(0.427 0.153 32)
Closest name: Brick Red (#8f1402)Relative luminance 0.0683

Colors that go with #901d09

Teal, Champagne and Denim 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 →

#097c90

#900938 · #906109

#09901d · #1d0990

Split-complementary

Open in tool →

#099061 · #093890

#389009 · #097c90 · #610990

Contrast

#901d09 as textRatioAAAA largeAAAFix
Aaon white
8.88:1passpasspassPasses AAA — no fix needed.
Aaon black
2.37:1failfailfail
  • AA: use #e12e0e as the text (4.6:1)
  • AAA: use #f46b52 as the text (7.07:1)
  • AA: or shift the background to #bababa (4.57:1)
  • AAA: or shift the background to #e6e6e6 (7.11:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #901d09 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

#901d09 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #901d09
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 #901d09 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/901d09-c4a79c-62cba8-2d271f-f1e9ec?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