Color

#837a21

#837a21
hex#837a21
rgbrgb(131, 122, 33)
hslhsl(54, 60%, 32%)
oklchoklch(0.571 0.107 103.4)
Closest name: olive (#808000)Relative luminance 0.1885

Tints & shades

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

Harmonies

Complementary

Open in tool →

#212a83

#834821 · #5b8321

#218379 · #792183

Split-complementary

Open in tool →

#215b83 · #482183

#218348 · #212a83 · #83215b

Contrast

#837a21 as textRatioAAAA largeAAAFix
Aaon white
4.4:1failpassfail
  • AA: use #7e7520 as the text (4.72:1)
  • AAA: use #5e5717 as the text (7.36:1)
  • AA: or shift the background to #080808 (4.55:1)
Aaon black
4.77:1passpassfail
  • AAA: use #a39729 as the text (7.02:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #837a21 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

#837a21 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #837a21
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 #837a21 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/837a21-bebea2-4ea2df-292d1f-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