Color

#3df56b

#3df56b
hex#3df56b
rgbrgb(61, 245, 107)
hslhsl(135, 90%, 60%)
oklchoklch(0.852 0.232 147.2)
Closest name: springgreen (#00ff7f)Relative luminance 0.6736

Colors that go with #3df56b

Deep Sky Blue, Violet and Royal 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 →

#f53dc7

#6bf53d · #3df5c7

#6b3df5 · #f56b3d

Split-complementary

Open in tool →

#c73df5 · #f53d6b

#3d6bf5 · #f53dc7 · #f5c73d

Contrast

#3df56b as textRatioAAAA largeAAAFix
Aaon white
1.45:1failfailfail
  • AA: use #078827 as the text (4.61:1)
  • AAA: use #05661d as the text (7.18:1)
  • AA: or shift the background to #5c5c5c (4.61:1)
  • AAA: or shift the background to #404040 (7.15:1)
Aaon black
14.47:1passpasspassPasses 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 #3df56b 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 #3df56b
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 #3df56b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3df56b-a2beac-b759d4-1f2d29-ebf1e9?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