Color

#673f04

#673f04
hex#673f04
rgbrgb(103, 63, 4)
hslhsl(36, 93%, 21%)
oklchoklch(0.406 0.086 68.6)
Closest name: Brown (#653700)Relative luminance 0.0645

Tints & shades

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

Harmonies

Complementary

Open in tool →

#042c67

#670e04 · #5d6704

#046740 · #400467

Split-complementary

Open in tool →

#045d67 · #0e0467

#04670e · #042c67 · #67045d

Contrast

#673f04 as textRatioAAAA largeAAAFix
Aaon white
9.17:1passpasspassPasses AAA — no fix needed.
Aaon black
2.29:1failfailfail
  • AA: use #a76706 as the text (4.59:1)
  • AAA: use #d98508 as the text (7.31:1)
  • AA: or shift the background to #b8b8b8 (4.62:1)
  • AAA: or shift the background to #e3e3e3 (7.15:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #673f04 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

#673f04 reads as warm, vivid, dark. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #673f04
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 #673f04 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/673f04-c4b99c-62bfcb-2d2d1f-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