Color

#a3be41

#a3be41
hex#a3be41
rgbrgb(163, 190, 65)
hslhsl(73, 49%, 50%)
oklchoklch(0.757 0.152 120.6)
Closest name: Celery (#b4c04c)Relative luminance 0.45

Colors that go with #a3be41

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 →

#5c41be

#be9b41 · #64be41

#41a3be · #be41a3

Split-complementary

Open in tool →

#4164be · #9b41be

#41be9b · #5c41be · #be4164

Contrast

#a3be41 as textRatioAAAA largeAAAFix
Aaon white
2.1:1failfailfail
  • AA: use #6c7d2b as the text (4.56:1)
  • AAA: use #4e5b1f as the text (7.39:1)
  • AA: or shift the background to #454545 (4.57:1)
  • AAA: or shift the background to #262626 (7.21:1)
Aaon black
10:1passpasspassPasses 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 #a3be41 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 #a3be41
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 #a3be41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a3be41-b5bea2-4e75df-242d1f-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