Color

#a4cb3a

#a4cb3a
hex#a4cb3a
rgbrgb(164, 203, 58)
hslhsl(76, 58%, 51%)
oklchoklch(0.787 0.172 123.6)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5091

Colors that go with #a4cb3a

Charcoal, Dark Orange 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 →

#603acb

#cba93a · #5bcb3a

#3aa4cb · #cb3aa4

Split-complementary

Open in tool →

#3a5bcb · #a93acb

#3acba9 · #603acb · #cb3a5b

Contrast

#a4cb3a as textRatioAAAA largeAAAFix
Aaon white
1.88:1failfailfail
  • AA: use #647d21 as the text (4.67:1)
  • AAA: use #4b5d19 as the text (7.29:1)
  • AA: or shift the background to #4d4d4d (4.5:1)
  • AAA: or shift the background to #303030 (7.03:1)
Aaon black
11.18:1passpasspassPasses 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 #a4cb3a as the background.

Brands using this color

mcpConnect your agent — build around #a4cb3a
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 #a4cb3a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a4cb3a-b3bea2-4e6edf-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