Color

#a4d345

#a4d345
hex#a4d345
rgbrgb(164, 211, 69)
hslhsl(80, 62%, 55%)
oklchoklch(0.807 0.175 125.9)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5491

Colors that go with #a4d345

Charcoal, Crimson and Deep Sky 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.

Real palettes that use #a4d345

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#7545d3

#d3bc45 · #5dd345

#45a4d3 · #d345a4

Split-complementary

Open in tool →

#455dd3 · #bc45d3

#45d3bc · #7545d3 · #d3455d

Contrast

#a4d345 as textRatioAAAA largeAAAFix
Aaon white
1.75:1failfailfail
  • AA: use #5f801e as the text (4.57:1)
  • AAA: use #475f16 as the text (7.2:1)
  • AA: or shift the background to #4f4f4f (4.67:1)
  • AAA: or shift the background to #333333 (7.21:1)
Aaon black
11.98:1passpasspassPasses 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 #a4d345 as the background.

Brands using this color

mcpConnect your agent — build around #a4d345
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 #a4d345 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a4d345-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