Color

#a6c91d

#a6c91d
hex#a6c91d
rgbrgb(166, 201, 29)
hslhsl(72, 75%, 45%)
oklchoklch(0.783 0.183 121.7)
Closest name: yellowgreen (#9acd32)Relative luminance 0.4997

Colors that go with #a6c91d

Taupe, Plum and 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 →

#3f1dc9

#c9951d · #50c91d

#1da6c9 · #c91da6

Split-complementary

Open in tool →

#1d50c9 · #951dc9

#1dc995 · #3f1dc9 · #c91d50

Contrast

#a6c91d as textRatioAAAA largeAAAFix
Aaon white
1.91:1failfailfail
  • AA: use #687d12 as the text (4.63:1)
  • AAA: use #4e5e0d as the text (7.17:1)
  • AA: or shift the background to #4a4a4a (4.64:1)
  • AAA: or shift the background to #2e2e2e (7.11:1)
Aaon black
10.99:1passpasspassPasses 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 #a6c91d as the background.

Brands using this color

mcpConnect your agent — build around #a6c91d
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 #a6c91d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a6c91d-b5bea2-4e77df-242d1f-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