Color

#839d0b

#839d0b
hex#839d0b
rgbrgb(131, 157, 11)
hslhsl(71, 87%, 33%)
oklchoklch(0.653 0.154 120.9)
Closest name: BioShock (#889900)Relative luminance 0.2896

Colors that go with #839d0b

Medium Purple, Blue and Charcoal lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#260b9d

#9d6f0b · #399d0b

#0b839d · #9d0b83

Split-complementary

Open in tool →

#0b399d · #6f0b9d

#0b9d6f · #260b9d · #9d0b39

Contrast

#839d0b as textRatioAAAA largeAAAFix
Aaon white
3.09:1failpassfail
  • AA: use #677c09 as the text (4.7:1)
  • AAA: use #4f5f07 as the text (7.06:1)
  • AA: or shift the background to #2b2b2b (4.58:1)
Aaon black
6.79:1passpassfail
  • AAA: use #86a20b as the text (7.19:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #839d0b as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #839d0b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #839d0b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/839d0b-b6bea2-4e7adf-252d1f-f1efe9?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