Color

#a66321

#a66321
hex#a66321
rgbrgb(166, 99, 33)
hslhsl(30, 67%, 39%)
oklchoklch(0.564 0.116 60.4)
Closest name: Autumnal (#ad5928)Relative luminance 0.1714

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2163a6

#a62121 · #a6a621

#21a663 · #6321a6

Split-complementary

Open in tool →

#21a6a6 · #2121a6

#21a621 · #2163a6 · #a621a6

Contrast

#a66321 as textRatioAAAA largeAAAFix
Aaon white
4.74:1passpassfail
  • AAA: use #804d19 as the text (7.02:1)
Aaon black
4.43:1failpassfail
  • AA: use #aa6622 as the text (4.63:1)
  • AAA: use #d6822e as the text (7.09:1)
  • AA: or shift the background to #fafafa (4.54:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #a66321 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

#a66321 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #a66321
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 #a66321 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a66321-c4b59c-62c9cb-2d2c1f-f1eae9?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