Color

#a9b33d

#a9b33d
hex#a9b33d
rgbrgb(169, 179, 61)
hslhsl(65, 49%, 47%)
oklchoklch(0.736 0.14 114)
Closest name: Citrus (#9fb70a)Relative luminance 0.4101

Colors that go with #a9b33d

Charcoal, Lilac 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 →

#473db3

#b3823d · #6eb33d

#3da9b3 · #b33da9

Split-complementary

Open in tool →

#3d6eb3 · #823db3

#3db382 · #473db3 · #b33d6e

Contrast

#a9b33d as textRatioAAAA largeAAAFix
Aaon white
2.28:1failfailfail
  • AA: use #737a2a as the text (4.62:1)
  • AAA: use #565b1f as the text (7.21:1)
  • AA: or shift the background to #404040 (4.54:1)
  • AAA: or shift the background to #212121 (7.06:1)
Aaon black
9.2:1passpasspassPasses 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 #a9b33d 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 #a9b33d
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 #a9b33d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a9b33d-b8bea2-4e88df-262d1f-f1eee9?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