Color

#aaac1b

#aaac1b
hex#aaac1b
rgbrgb(170, 172, 27)
hslhsl(61, 73%, 39%)
oklchoklch(0.72 0.151 110.5)
Closest name: Countryside (#a4a404)Relative luminance 0.3813

Colors that go with #aaac1b

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 →

#1d1bac

#ac661b · #61ac1b

#1baaac · #ac1baa

Split-complementary

Open in tool →

#1b61ac · #661bac

#1bac66 · #1d1bac · #ac1b61

Contrast

#aaac1b as textRatioAAAA largeAAAFix
Aaon white
2.43:1failfailfail
  • AA: use #757713 as the text (4.77:1)
  • AAA: use #57580e as the text (7.48:1)
  • AA: or shift the background to #3b3b3b (4.6:1)
  • AAA: or shift the background to #1c1c1c (7:1)
Aaon black
8.63:1passpasspassPasses 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 #aaac1b 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 #aaac1b
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 #aaac1b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aaac1b-babea2-4e92df-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