Color

#3afd41

#3afd41
hex#3afd41
rgbrgb(58, 253, 65)
hslhsl(122, 98%, 61%)
oklchoklch(0.868 0.269 143.2)
Closest name: Cathode Green (#00ff55)Relative luminance 0.7153

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fd3af7

#95fd3a · #3afda2

#413afd · #fd413a

Split-complementary

Open in tool →

#a23afd · #fd3a95

#3a95fd · #fd3af7 · #fda23a

Contrast

#3afd41 as textRatioAAAA largeAAAFix
Aaon white
1.37:1failfailfail
  • AA: use #018806 as the text (4.64:1)
  • AAA: use #016504 as the text (7.33:1)
  • AA: or shift the background to #616161 (4.51:1)
  • AAA: or shift the background to #424242 (7.32:1)
Aaon black
15.31:1passpasspassPasses 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 #3afd41 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 #3afd41
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 #3afd41 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3afd41-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