Color

#ae1e04

#ae1e04
hex#ae1e04
rgbrgb(174, 30, 4)
hslhsl(9, 96%, 35%)
oklchoklch(0.484 0.181 31.8)
Closest name: All Systems Red (#b30103)Relative luminance 0.0994

Colors that go with #ae1e04

Royal Blue, Teal and Amber 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 →

#0495af

#af0440 · #af7304

#04af1d · #1d04af

Split-complementary

Open in tool →

#04af73 · #0440af

#40af04 · #0495af · #7304af

Contrast

#ae1e04 as textRatioAAAA largeAAAFix
Aaon white
7.03:1passpasspassPasses AAA — no fix needed.
Aaon black
2.99:1failfailfail
  • AA: use #e62605 as the text (4.64:1)
  • AAA: use #fb664b as the text (7.1:1)
  • AA: or shift the background to #cfcfcf (4.51:1)
  • AAA: or shift the background to #ffffff (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 #ae1e04 as the background.

Brands using this color

Fonts for this mood

#ae1e04 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ae1e04
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 #ae1e04 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ae1e04-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