Color

#3aee55

#3aee55
hex#3aee55
rgbrgb(58, 238, 85)
hslhsl(129, 84%, 58%)
oklchoklch(0.832 0.241 145)
Closest name: Becquerel (#4bec13)Relative luminance 0.627

Colors that go with #3aee55

Taupe, Violet and Deep Sky 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 →

#ee3ad3

#79ee3a · #3aeeaf

#553aee · #ee553a

Split-complementary

Open in tool →

#af3aee · #ee3a79

#3a79ee · #ee3ad3 · #eeaf3a

Contrast

#3aee55 as textRatioAAAA largeAAAFix
Aaon white
1.55:1failfailfail
  • AA: use #0c881e as the text (4.61:1)
  • AAA: use #096717 as the text (7.08:1)
  • AA: or shift the background to #595959 (4.52:1)
  • AAA: or shift the background to #3d3d3d (7:1)
Aaon black
13.54:1passpasspassPasses 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 #3aee55 as the background.

Brands using this color

mcpConnect your agent — build around #3aee55
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 #3aee55 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3aee55-a2bea9-ae4edf-1f2d27-ecf1e9?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