Color

#aaaa27

#aaaa27
hex#aaaa27
rgbrgb(170, 170, 39)
hslhsl(60, 63%, 41%)
oklchoklch(0.716 0.144 109.5)
Closest name: Countryside (#a4a404)Relative luminance 0.3744

Colors that go with #aaaa27

Charcoal, Cornflower Blue 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 →

#2727aa

#aa6927 · #69aa27

#27aaaa · #aa27aa

Split-complementary

Open in tool →

#2769aa · #6927aa

#27aa69 · #2727aa · #aa2769

Contrast

#aaaa27 as textRatioAAAA largeAAAFix
Aaon white
2.47:1failfailfail
  • AA: use #79791b as the text (4.6:1)
  • AAA: use #5b5b15 as the text (7.11:1)
  • AA: or shift the background to #3b3b3b (4.53:1)
  • AAA: or shift the background to #1a1a1a (7.03:1)
Aaon black
8.49:1passpasspassPasses 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 #aaaa27 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #aaaa27
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 #aaaa27 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aaaa27-bbbea2-4e94df-272d1f-f1ede9?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