Color

#a3e15b

#a3e15b
hex#a3e15b
rgbrgb(163, 225, 91)
hslhsl(88, 69%, 62%)
oklchoklch(0.841 0.177 130.3)
Closest name: Conifer (#b1dd52)Relative luminance 0.6239

Colors that go with #a3e15b

Plum, Blue and Charcoal 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 →

#9a5be1

#e1dd5b · #60e15b

#5ba3e1 · #e15ba3

Split-complementary

Open in tool →

#5b60e1 · #dd5be1

#5be1dd · #9a5be1 · #e15b60

Contrast

#a3e15b as textRatioAAAA largeAAAFix
Aaon white
1.56:1failfailfail
  • AA: use #508118 as the text (4.67:1)
  • AAA: use #3d6312 as the text (7.02:1)
  • AA: or shift the background to #575757 (4.64:1)
  • AAA: or shift the background to #3b3b3b (7.19:1)
Aaon black
13.48:1passpasspassPasses 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 #a3e15b 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 #a3e15b
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 #a3e15b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a3e15b-aebea2-4e51df-212d1f-f1f1e9?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