Color

#3df05b

#3df05b
hex#3df05b
rgbrgb(61, 240, 91)
hslhsl(130, 86%, 59%)
oklchoklch(0.838 0.238 145.4)
Closest name: Becquerel (#4bec13)Relative luminance 0.6407

Colors that go with #3df05b

Violet, Deep Sky Blue and Hot Pink 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 →

#f03dd2

#78f03d · #3df0b4

#5b3df0 · #f05b3d

Split-complementary

Open in tool →

#b43df0 · #f03d78

#3d78f0 · #f03dd2 · #f0b43d

Contrast

#3df05b as textRatioAAAA largeAAAFix
Aaon white
1.52:1failfailfail
  • AA: use #0a851e as the text (4.79:1)
  • AAA: use #076417 as the text (7.38:1)
  • AA: or shift the background to #595959 (4.61:1)
  • AAA: or shift the background to #3d3d3d (7.15:1)
Aaon black
13.81:1passpasspassPasses 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 #3df05b as the background.

Brands using this color

mcpConnect your agent — build around #3df05b
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 #3df05b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3df05b-a2beaa-b14edf-1f2d28-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