Color

#ad1d01

#ad1d01
hex#ad1d01
rgbrgb(173, 29, 1)
hslhsl(10, 99%, 34%)
oklchoklch(0.482 0.181 32.1)
Closest name: All Systems Red (#b30103)Relative luminance 0.0977

Tints & shades

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

Harmonies

Complementary

Open in tool →

#0190ad

#ad013a · #ad7301

#01ad1d · #1d01ad

Split-complementary

Open in tool →

#01ad73 · #013aad

#3aad01 · #0190ad · #7301ad

Contrast

#ad1d01 as textRatioAAAA largeAAAFix
Aaon white
7.11:1passpasspassPasses AAA — no fix needed.
Aaon black
2.95:1failfailfail
  • AA: use #e42701 as the text (4.59:1)
  • AAA: use #fe6243 as the text (7.04:1)
  • AA: or shift the background to #cfcfcf (4.56:1)
  • AAA: or shift the background to #ffffff (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 #ad1d01 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

#ad1d01 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ad1d01
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 #ad1d01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ad1d01-c4a79c-62cbaa-2d281f-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