Color

#d01d01

#d01d01
hex#d01d01
rgbrgb(208, 29, 1)
hslhsl(8, 99%, 41%)
oklchoklch(0.548 0.212 31.1)
Closest name: Angry Tomato (#d82029)Relative luminance 0.1429

Colors that go with #d01d01

Charcoal, Royal Blue and Sea Green 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 →

#01b4d0

#d0014d · #d08401

#01d01d · #1d01d0

Split-complementary

Open in tool →

#01d084 · #014dd0

#4dd001 · #01b4d0 · #8401d0

Contrast

#d01d01 as textRatioAAAA largeAAAFix
Aaon white
5.44:1passpassfail
  • AAA: use #ad1801 as the text (7.22:1)
Aaon black
3.86:1failpassfail
  • AA: use #e92001 as the text (4.67:1)
  • AAA: use #fe6148 as the text (7.02:1)
  • AA: or shift the background to #ebebeb (4.57:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #d01d01 as the background.

Brands using this color

Fonts for this mood

#d01d01 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #d01d01
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 #d01d01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d01d01-c4a69c-62cba6-2d271f-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