Color

#a3bb3a

#a3bb3a
hex#a3bb3a
rgbrgb(163, 187, 58)
hslhsl(71, 53%, 48%)
oklchoklch(0.75 0.153 119.4)
Closest name: Citrus (#9fb70a)Relative luminance 0.4363

Colors that go with #a3bb3a

Charcoal, Blue and Dark Olive Green 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 →

#513abb

#bb923a · #63bb3a

#3aa3bb · #bb3aa3

Split-complementary

Open in tool →

#3a63bb · #923abb

#3abb92 · #513abb · #bb3a63

Contrast

#a3bb3a as textRatioAAAA largeAAAFix
Aaon white
2.16:1failfailfail
  • AA: use #6d7d26 as the text (4.55:1)
  • AAA: use #525e1d as the text (7.05:1)
  • AA: or shift the background to #424242 (4.65:1)
  • AAA: or shift the background to #262626 (7.01:1)
Aaon black
9.73:1passpasspassPasses 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 #a3bb3a 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 #a3bb3a
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 #a3bb3a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a3bb3a-b6bea2-4e7adf-252d1f-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