Color

#a54918

#a54918
hex#a54918
rgbrgb(165, 73, 24)
hslhsl(21, 75%, 37%)
oklchoklch(0.518 0.135 44.6)
Closest name: sienna (#a0522d)Relative luminance 0.1283

Colors that go with #a54918

Crimson, Royal Blue and Teal 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 →

#1874a5

#a5182d · #a59018

#18a549 · #4918a5

Split-complementary

Open in tool →

#18a590 · #182da5

#2da518 · #1874a5 · #9018a5

Contrast

#a54918 as textRatioAAAA largeAAAFix
Aaon white
5.89:1passpassfail
  • AAA: use #8f3f14 as the text (7.27:1)
Aaon black
3.57:1failpassfail
  • AA: use #c0551b as the text (4.56:1)
  • AAA: use #e4793f as the text (7.11:1)
  • AA: or shift the background to #e3e3e3 (4.59:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a54918 as the background.

Brands using this color

Fonts for this mood

#a54918 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a54918
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 #a54918 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a54918-c4af9c-62cbbd-2d2a1f-f1e9ea?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