Color

#3fd97d

#3fd97d
hex#3fd97d
rgbrgb(63, 217, 125)
hslhsl(144, 67%, 55%)
oklchoklch(0.785 0.182 152.5)
Closest name: Envy’s Love (#2dd78d)Relative luminance 0.5216

Colors that go with #3fd97d

Charcoal, Deep Sky Blue and Mustard Yellow 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 →

#d93f9c

#4fd93f · #3fd9ca

#7d3fd9 · #d97d3f

Split-complementary

Open in tool →

#ca3fd9 · #d93f4f

#3f4fd9 · #d93f9c · #d9ca3f

Contrast

#3fd97d as textRatioAAAA largeAAAFix
Aaon white
1.84:1failfailfail
  • AA: use #1b8847 as the text (4.51:1)
  • AAA: use #146635 as the text (7.04:1)
  • AA: or shift the background to #4d4d4d (4.6:1)
  • AAA: or shift the background to #303030 (7.19:1)
Aaon black
11.43:1passpasspassPasses 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 #3fd97d 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 #3fd97d
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 #3fd97d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fd97d-a2beb0-ca59d4-1f2d2b-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