Color

#a3c153

#a3c153
hex#a3c153
rgbrgb(163, 193, 83)
hslhsl(76, 47%, 54%)
oklchoklch(0.766 0.141 122.5)
Closest name: Celery (#b4c04c)Relative luminance 0.4655

Colors that go with #a3c153

Charcoal, Plum 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 →

#7053c1

#c1a753 · #6cc153

#53a3c1 · #c153a3

Split-complementary

Open in tool →

#536cc1 · #a753c1

#53c1a7 · #7053c1 · #c1536c

Contrast

#a3c153 as textRatioAAAA largeAAAFix
Aaon white
2.04:1failfailfail
  • AA: use #677c2d as the text (4.67:1)
  • AAA: use #4e5e22 as the text (7.12:1)
  • AA: or shift the background to #474747 (4.56:1)
  • AAA: or shift the background to #292929 (7.14:1)
Aaon black
10.31:1passpasspassPasses 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 #a3c153 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 #a3c153
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 #a3c153 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a3c153-b3bea2-4e6edf-232d1f-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