Color

#3fd546

#3fd546
hex#3fd546
rgbrgb(63, 213, 70)
hslhsl(123, 64%, 54%)
oklchoklch(0.767 0.222 143.6)
Closest name: Green Priestess (#11dd55)Relative luminance 0.4909

Colors that go with #3fd546

Blue, Taupe and Violet 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 →

#d53fcd

#82d53f · #3fd591

#463fd5 · #d5463f

Split-complementary

Open in tool →

#913fd5 · #d53f82

#3f82d5 · #d53fcd · #d5913f

Contrast

#3fd546 as textRatioAAAA largeAAAFix
Aaon white
1.94:1failfailfail
  • AA: use #1d8623 as the text (4.68:1)
  • AAA: use #16641a as the text (7.31:1)
  • AA: or shift the background to #4a4a4a (4.57:1)
  • AAA: or shift the background to #2b2b2b (7.29:1)
Aaon black
10.82:1passpasspassPasses 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 #3fd546 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 #3fd546
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 #3fd546 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fd546-a2bea6-a04edf-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