Color

#3cf66b

#3cf66b
hex#3cf66b
rgbrgb(60, 246, 107)
hslhsl(135, 91%, 60%)
oklchoklch(0.855 0.233 147.2)
Closest name: springgreen (#00ff7f)Relative luminance 0.6793

Colors that go with #3cf66b

Deep Sky Blue, Violet 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 →

#f63cc7

#6bf63c · #3cf6c7

#6b3cf6 · #f66b3c

Split-complementary

Open in tool →

#c73cf6 · #f63c6b

#3c6bf6 · #f63cc7 · #f6c73c

Contrast

#3cf66b as textRatioAAAA largeAAAFix
Aaon white
1.44:1failfailfail
  • AA: use #068827 as the text (4.61:1)
  • AAA: use #05661d as the text (7.18:1)
  • AA: or shift the background to #5e5e5e (4.5:1)
  • AAA: or shift the background to #404040 (7.2:1)
Aaon black
14.59:1passpasspassPasses 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 #3cf66b 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 #3cf66b
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 #3cf66b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cf66b-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