Color

#423f00

#423f00
hex#423f00
rgbrgb(66, 63, 0)
hslhsl(57, 100%, 13%)
oklchoklch(0.359 0.077 106.7)
Closest name: Green Not Found (#404404)Relative luminance 0.0471

Tints & shades

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

Harmonies

Complementary

Open in tool →

#000342

#421e00 · #244200

#00423f · #3f0042

Split-complementary

Open in tool →

#002442 · #1e0042

#00421e · #000342 · #420024

Contrast

#423f00 as textRatioAAAA largeAAAFix
Aaon white
10.81:1passpasspassPasses AAA — no fix needed.
Aaon black
1.94:1failfailfail
  • AA: use #807900 as the text (4.65:1)
  • AAA: use #a39b00 as the text (7.25:1)
  • AA: or shift the background to #a8a8a8 (4.55:1)
  • AAA: or shift the background to #d1d1d1 (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #423f00 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

#423f00 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #423f00
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 #423f00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/423f00-bcbea2-4e9bdf-282d1f-f1ede9?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