Color

#a4512d

#a4512d
hex#a4512d
rgbrgb(164, 81, 45)
hslhsl(18, 57%, 41%)
oklchoklch(0.531 0.12 42.9)
Closest name: sienna (#a0522d)Relative luminance 0.1397

Colors that go with #a4512d

Crimson, Sea Green 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 →

#2d80a4

#a42d45 · #a48c2d

#2da451 · #512da4

Split-complementary

Open in tool →

#2da48c · #2d45a4

#45a42d · #2d80a4 · #8c2da4

Contrast

#a4512d as textRatioAAAA largeAAAFix
Aaon white
5.54:1passpassfail
  • AAA: use #8c4526 as the text (7.01:1)
Aaon black
3.79:1failpassfail
  • AA: use #b85b32 as the text (4.58:1)
  • AAA: use #d3825f as the text (7.13:1)
  • AA: or shift the background to #e8e8e8 (4.52:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a4512d as the background.

Brands using this color

Fonts for this mood

#a4512d reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a4512d
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 #a4512d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a4512d-c4ad9c-62cbb8-2d291f-f1e9eb?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