Color

#ad3e25

#ad3e25
hex#ad3e25
rgbrgb(173, 62, 37)
hslhsl(11, 65%, 41%)
oklchoklch(0.516 0.15 34.2)
Closest name: Barbarossa (#a84734)Relative luminance 0.1246

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2594ad

#ad2550 · #ad8125

#25ad3e · #3e25ad

Split-complementary

Open in tool →

#25ad81 · #2550ad

#50ad25 · #2594ad · #8125ad

Contrast

#ad3e25 as textRatioAAAA largeAAAFix
Aaon white
6.01:1passpassfail
  • AAA: use #973620 as the text (7.33:1)
Aaon black
3.49:1failpassfail
  • AA: use #ce4a2c as the text (4.64:1)
  • AAA: use #de7a63 as the text (7.07:1)
  • AA: or shift the background to #e0e0e0 (4.55:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ad3e25 as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ad3e25 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ad3e25
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 #ad3e25 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ad3e25-c4a89c-62cbab-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