Color

#3fde67

#3fde67
hex#3fde67
rgbrgb(63, 222, 103)
hslhsl(135, 71%, 56%)
oklchoklch(0.794 0.208 147.6)
Closest name: Green Priestess (#11dd55)Relative luminance 0.5428

Colors that go with #3fde67

Blue, Deep Sky Blue and Taupe 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 →

#de3fb7

#67de3f · #3fdeb7

#673fde · #de673f

Split-complementary

Open in tool →

#b73fde · #de3f67

#3f67de · #de3fb7 · #deb73f

Contrast

#3fde67 as textRatioAAAA largeAAAFix
Aaon white
1.77:1failfailfail
  • AA: use #178733 as the text (4.62:1)
  • AAA: use #116426 as the text (7.31:1)
  • AA: or shift the background to #4f4f4f (4.62:1)
  • AAA: or shift the background to #333333 (7.13:1)
Aaon black
11.86:1passpasspassPasses 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 #3fde67 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 #3fde67
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 #3fde67 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fde67-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