Color

#3fde4a

#3fde4a
hex#3fde4a
rgbrgb(63, 222, 74)
hslhsl(124, 71%, 56%)
oklchoklch(0.791 0.229 143.9)
Closest name: Green Priestess (#11dd55)Relative luminance 0.5379

Colors that go with #3fde4a

Taupe, Violet 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 →

#de3fd4

#84de3f · #3fde99

#4a3fde · #de4a3f

Split-complementary

Open in tool →

#993fde · #de3f84

#3f84de · #de3fd4 · #de993f

Contrast

#3fde4a as textRatioAAAA largeAAAFix
Aaon white
1.79:1failfailfail
  • AA: use #17871e as the text (4.65:1)
  • AAA: use #116417 as the text (7.35:1)
  • AA: or shift the background to #4f4f4f (4.59:1)
  • AAA: or shift the background to #333333 (7.07:1)
Aaon black
11.76:1passpasspassPasses 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 #3fde4a 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 #3fde4a
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 #3fde4a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fde4a-a2bea7-a24edf-1f2d26-edf1e9?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