Color

#a5cb1a

#a5cb1a
hex#a5cb1a
rgbrgb(165, 203, 26)
hslhsl(73, 77%, 45%)
oklchoklch(0.786 0.186 122.4)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5079

Colors that go with #a5cb1a

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 →

#411acb

#cb991a · #4ccb1a

#1aa5cb · #cb1aa5

Split-complementary

Open in tool →

#1a4ccb · #991acb

#1acb99 · #411acb · #cb1a4c

Contrast

#a5cb1a as textRatioAAAA largeAAAFix
Aaon white
1.88:1failfailfail
  • AA: use #677e10 as the text (4.6:1)
  • AAA: use #4d5f0c as the text (7.1:1)
  • AA: or shift the background to #4a4a4a (4.71:1)
  • AAA: or shift the background to #303030 (7.01:1)
Aaon black
11.16:1passpasspassPasses 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 #a5cb1a as the background.

Brands using this color

mcpConnect your agent — build around #a5cb1a
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 #a5cb1a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a5cb1a-b5bea2-4e75df-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