Color

#42511f

#42511f
hex#42511f
rgbrgb(66, 81, 31)
hslhsl(78, 45%, 22%)
oklchoklch(0.41 0.076 123.7)
Closest name: Godzilla (#3c4d03)Relative luminance 0.0714

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2e1f51

#51471f · #29511f

#1f4251 · #511f42

Split-complementary

Open in tool →

#1f2951 · #471f51

#1f5147 · #2e1f51 · #511f29

Contrast

#42511f as textRatioAAAA largeAAAFix
Aaon white
8.65:1passpasspassPasses AAA — no fix needed.
Aaon black
2.43:1failfailfail
  • AA: use #667e30 as the text (4.59:1)
  • AAA: use #84a33e as the text (7.29:1)
  • AA: or shift the background to #bdbdbd (4.6:1)
  • AAA: or shift the background to #e8e8e8 (7.06:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42511f 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

#42511f reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #42511f
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 #42511f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42511f-b2bea2-4e69df-232d1f-f1f0e9?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