Color

#a3b040

#a3b040
hex#a3b040
rgbrgb(163, 176, 64)
hslhsl(67, 47%, 47%)
oklchoklch(0.725 0.136 115.5)
Closest name: Countryside (#a4a404)Relative luminance 0.3921

Colors that go with #a3b040

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 →

#4d40b0

#b08540 · #6bb040

#40a3b0 · #b040a3

Split-complementary

Open in tool →

#406bb0 · #8540b0

#40b085 · #4d40b0 · #b0406b

Contrast

#a3b040 as textRatioAAAA largeAAAFix
Aaon white
2.38:1failfailfail
  • AA: use #727c2d as the text (4.53:1)
  • AAA: use #535a20 as the text (7.37:1)
  • AA: or shift the background to #3d3d3d (4.57:1)
  • AAA: or shift the background to #1c1c1c (7.18:1)
Aaon black
8.84:1passpasspassPasses 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 #a3b040 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 #a3b040
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 #a3b040 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a3b040-b8bea2-4e83df-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