Color

#3cf642

#3cf642
hex#3cf642
rgbrgb(60, 246, 66)
hslhsl(122, 91%, 60%)
oklchoklch(0.851 0.261 143.2)
Closest name: Cathode Green (#00ff55)Relative luminance 0.6727

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#f63cf0

#93f63c · #3cf69f

#423cf6 · #f6423c

Split-complementary

Open in tool →

#9f3cf6 · #f63c93

#3c93f6 · #f63cf0 · #f69f3c

Contrast

#3cf642 as textRatioAAAA largeAAAFix
Aaon white
1.45:1failfailfail
  • AA: use #06880b as the text (4.63:1)
  • AAA: use #056608 as the text (7.22:1)
  • AA: or shift the background to #5c5c5c (4.6:1)
  • AAA: or shift the background to #404040 (7.14:1)
Aaon black
14.45:1passpasspassPasses 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 #3cf642 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 #3cf642
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #3cf642 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cf642-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