Color

#3df58a

#3df58a
hex#3df58a
rgbrgb(61, 245, 138)
hslhsl(145, 90%, 60%)
oklchoklch(0.857 0.206 152.4)
Closest name: Emerald Ice Palace (#2af589)Relative luminance 0.6813

Colors that go with #3df58a

Violet, Charcoal 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 →

#f53da8

#4cf53d · #3df5e5

#8a3df5 · #f58a3d

Split-complementary

Open in tool →

#e63df5 · #f53d4c

#3d4df5 · #f53da8 · #f5e53d

Contrast

#3df58a as textRatioAAAA largeAAAFix
Aaon white
1.44:1failfailfail
  • AA: use #07883d as the text (4.57:1)
  • AAA: use #05662e as the text (7.13:1)
  • AA: or shift the background to #5e5e5e (4.52:1)
  • AAA: or shift the background to #404040 (7.22:1)
Aaon black
14.63:1passpasspassPasses 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 #3df58a 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 #3df58a
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 #3df58a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3df58a-a2beb1-cc59d4-1f2d2b-eaf1e9?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