Color

#a3bb30

#a3bb30
hex#a3bb30
rgbrgb(163, 187, 48)
hslhsl(70, 59%, 46%)
oklchoklch(0.749 0.16 119.1)
Closest name: Citrus (#9fb70a)Relative luminance 0.4354

Colors that go with #a3bb30

Blue, Dark Olive Green and Taupe 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 →

#4730bb

#bb8c30 · #5ebb30

#30a3bb · #bb30a3

Split-complementary

Open in tool →

#305ebb · #8c30bb

#30bb8c · #4730bb · #bb305e

Contrast

#a3bb30 as textRatioAAAA largeAAAFix
Aaon white
2.16:1failfailfail
  • AA: use #6b7a1f as the text (4.74:1)
  • AAA: use #525d18 as the text (7.15:1)
  • AA: or shift the background to #424242 (4.65:1)
  • AAA: or shift the background to #242424 (7.18:1)
Aaon black
9.71:1passpasspassPasses 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 #a3bb30 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 #a3bb30
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 #a3bb30 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a3bb30-b6bea2-4e7cdf-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