Color

#a4d133

#a4d133
hex#a4d133
rgbrgb(164, 209, 51)
hslhsl(77, 63%, 51%)
oklchoklch(0.801 0.183 124.7)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5373

Colors that go with #a4d133

Charcoal, Deep Sky Blue and Royal 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 →

#6033d1

#d1af33 · #55d133

#33a4d1 · #d133a4

Split-complementary

Open in tool →

#3355d1 · #af33d1

#33d1af · #6033d1 · #d13355

Contrast

#a4d133 as textRatioAAAA largeAAAFix
Aaon white
1.79:1failfailfail
  • 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 (4.58:1)
  • AAA: or shift the background to #333333 (7.07:1)
Aaon black
11.75:1passpasspassPasses 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 #a4d133 as the background.

Brands using this color

mcpConnect your agent — build around #a4d133
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 #a4d133 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a4d133-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