Color

#3fd944

#3fd944
hex#3fd944
rgbrgb(63, 217, 68)
hslhsl(122, 67%, 55%)
oklchoklch(0.777 0.228 143.4)
Closest name: Green Priestess (#11dd55)Relative luminance 0.511

Colors that go with #3fd944

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 →

#d93fd4

#87d93f · #3fd991

#443fd9 · #d9443f

Split-complementary

Open in tool →

#913fd9 · #d93f87

#3f87d9 · #d93fd4 · #d9913f

Contrast

#3fd944 as textRatioAAAA largeAAAFix
Aaon white
1.87:1failfailfail
  • AA: use #1b881f as the text (4.58:1)
  • AAA: use #146617 as the text (7.14:1)
  • AA: or shift the background to #4d4d4d (4.52:1)
  • AAA: or shift the background to #303030 (7.05:1)
Aaon black
11.22:1passpasspassPasses 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 #3fd944 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 #3fd944
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 #3fd944 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fd944-a2bea6-9e4edf-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