Color

#51591c

#51591c
hex#51591c
rgbrgb(81, 89, 28)
hslhsl(68, 52%, 23%)
oklchoklch(0.443 0.084 116.3)
Closest name: Ayahuasca Vine (#665500)Relative luminance 0.0898

Tints & shades

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

Harmonies

Complementary

Open in tool →

#241c59

#59431c · #33591c

#1c5159 · #591c51

Split-complementary

Open in tool →

#1c3359 · #431c59

#1c5943 · #241c59 · #591c33

Contrast

#51591c as textRatioAAAA largeAAAFix
Aaon white
7.51:1passpasspassPasses AAA — no fix needed.
Aaon black
2.8:1failfailfail
  • AA: use #717c27 as the text (4.61:1)
  • AAA: use #909f32 as the text (7.19:1)
  • AA: or shift the background to #c9c9c9 (4.54:1)
  • AAA: or shift the background to #f7f7f7 (7.01:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #51591c 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

#51591c reads as dark, luxury, bold. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #51591c
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 #51591c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/51591c-b7bea2-4e81df-252d1f-f1eee9?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