Color

#421e00

#421e00
hex#421e00
rgbrgb(66, 30, 0)
hslhsl(27, 100%, 13%)
oklchoklch(0.281 0.069 55.6)
Closest name: Chocolate Castle (#452207)Relative luminance 0.0209

Colors that go with #421e00

Charcoal, Crimson and Royal Blue 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 →

#002442

#420003 · #423f00

#00421e · #1e0042

Split-complementary

Open in tool →

#00423f · #000342

#034200 · #002442 · #3f0042

Contrast

#421e00 as textRatioAAAA largeAAAFix
Aaon white
14.82:1passpasspassPasses AAA — no fix needed.
Aaon black
1.42:1failfailfail
  • AA: use #c25700 as the text (4.66:1)
  • AAA: use #f56e00 as the text (7.11:1)
  • AA: or shift the background to #8f8f8f (4.58:1)
  • AAA: or shift the background to #b3b3b3 (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #421e00 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

#421e00 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #421e00
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 #421e00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/421e00-c4b39c-62cbc7-2d2c1f-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