Color

#8fbf31

#8fbf31
hex#8fbf31
rgbrgb(143, 191, 49)
hslhsl(80, 59%, 47%)
oklchoklch(0.744 0.173 126.9)
Closest name: Citrus (#9fb70a)Relative luminance 0.4332

Colors that go with #8fbf31

Charcoal, Dark Olive Green and Slate Gray 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 →

#6031bf

#bfa731 · #49bf31

#318fbf · #bf318f

Split-complementary

Open in tool →

#3149bf · #a731bf

#31bfa7 · #6031bf · #bf3149

Contrast

#8fbf31 as textRatioAAAA largeAAAFix
Aaon white
2.17:1failfailfail
  • AA: use #5f7e20 as the text (4.68:1)
  • AAA: use #465d18 as the text (7.4:1)
  • AA: or shift the background to #424242 (4.63:1)
  • AAA: or shift the background to #242424 (7.14:1)
Aaon black
9.66:1passpasspassPasses AAA — no fix needed.

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #8fbf31 as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #8fbf31
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 #8fbf31 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8fbf31-b1bea2-4e64df-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