Color

#80b309

#80b309
hex#80b309
rgbrgb(128, 179, 9)
hslhsl(78, 90%, 37%)
oklchoklch(0.704 0.181 127.4)
Closest name: Gameboy Screen (#8bac0f)Relative luminance 0.3685

Colors that go with #80b309

Taupe, Orchid and Cornflower Blue 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 →

#3c09b3

#b39109 · #2bb309

#0980b3 · #b30980

Split-complementary

Open in tool →

#092bb3 · #9109b3

#09b391 · #3c09b3 · #b3092b

Contrast

#80b309 as textRatioAAAA largeAAAFix
Aaon white
2.51:1failfailfail
  • AA: use #5a7e07 as the text (4.75:1)
  • AAA: use #456105 as the text (7.08:1)
  • AA: or shift the background to #383838 (4.67:1)
  • AAA: or shift the background to #171717 (7.15:1)
Aaon black
8.37:1passpasspassPasses 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 #80b309 as the background.

Brands using this color

mcpConnect your agent — build around #80b309
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 #80b309 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/80b309-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