Color

#a6553a

#a6553a
hex#a6553a
rgbrgb(166, 85, 58)
hslhsl(15, 48%, 44%)
oklchoklch(0.542 0.114 39)
Closest name: sienna (#a0522d)Relative luminance 0.1491

Colors that go with #a6553a

Sea Green, 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 →

#3a8ba6

#a63a55 · #a68b3a

#3aa655 · #553aa6

Split-complementary

Open in tool →

#3aa68b · #3a55a6

#55a63a · #3a8ba6 · #8b3aa6

Contrast

#a6553a as textRatioAAAA largeAAAFix
Aaon white
5.27:1passpassfail
  • AAA: use #884630 as the text (7.08:1)
Aaon black
3.98:1failpassfail
  • AA: use #b55d40 as the text (4.6:1)
  • AAA: use #cb846c as the text (7.06:1)
  • AA: or shift the background to #ededed (4.5:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a6553a 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

#a6553a reads as warm. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a6553a
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 #a6553a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a6553a-c4ab9c-62cbb2-2d291f-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