Color

#421d00

#421d00
hex#421d00
rgbrgb(66, 29, 0)
hslhsl(26, 100%, 13%)
oklchoklch(0.279 0.07 54.1)
Closest name: Chocolate Castle (#452207)Relative luminance 0.0204

Tints & shades

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

Harmonies

Complementary

Open in tool →

#002642

#420004 · #423e00

#00421d · #1d0042

Split-complementary

Open in tool →

#00423e · #000442

#044200 · #002642 · #3e0042

Contrast

#421d00 as textRatioAAAA largeAAAFix
Aaon white
14.92:1passpasspassPasses AAA — no fix needed.
Aaon black
1.41:1failfailfail
  • AA: use #c25400 as the text (4.56:1)
  • AAA: use #fa6c00 as the text (7.21:1)
  • AA: or shift the background to #8f8f8f (4.61:1)
  • AAA: or shift the background to #b3b3b3 (7.12:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #421d00 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

#421d00 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #421d00
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 #421d00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/421d00-c4b29c-62cbc5-2d2b1f-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