Color

#a6d237

#a6d237
hex#a6d237
rgbrgb(166, 210, 55)
hslhsl(77, 63%, 52%)
oklchoklch(0.805 0.181 124.5)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5448

Colors that go with #a6d237

Charcoal, Crimson and Dark Orange 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 →

#6337d2

#d2b037 · #59d237

#37a6d2 · #d237a6

Split-complementary

Open in tool →

#3759d2 · #b037d2

#37d2b0 · #6337d2 · #d23759

Contrast

#a6d237 as textRatioAAAA largeAAAFix
Aaon white
1.77:1failfailfail
  • AA: use #617d1c as the text (4.71:1)
  • AAA: use #4b6016 as the text (7.04:1)
  • AA: or shift the background to #4f4f4f (4.64:1)
  • AAA: or shift the background to #333333 (7.16:1)
Aaon black
11.9:1passpasspassPasses 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 #a6d237 as the background.

Brands using this color

mcpConnect your agent — build around #a6d237
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 #a6d237 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a6d237-b3bea2-4e6bdf-232d1f-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