Color

#3fe465

#3fe465
hex#3fe465
rgbrgb(63, 228, 101)
hslhsl(134, 75%, 57%)
oklchoklch(0.809 0.216 147)
Closest name: Green Priestess (#11dd55)Relative luminance 0.5748

Colors that go with #3fe465

Deep Sky Blue, Royal 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 →

#e43fbd

#6be43f · #3fe4b8

#653fe4 · #e4653f

Split-complementary

Open in tool →

#b83fe4 · #e43f6b

#3f6be4 · #e43fbd · #e4b83f

Contrast

#3fe465 as textRatioAAAA largeAAAFix
Aaon white
1.68:1failfailfail
  • AA: use #13862e as the text (4.69:1)
  • AAA: use #0f6723 as the text (7.04:1)
  • AA: or shift the background to #545454 (4.51:1)
  • AAA: or shift the background to #363636 (7.19:1)
Aaon black
12.5:1passpasspassPasses 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 #3fe465 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 #3fe465
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 #3fe465 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fe465-a2beac-b559d4-1f2d29-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