Color

#3fe484

#3fe484
hex#3fe484
rgbrgb(63, 228, 132)
hslhsl(145, 75%, 57%)
oklchoklch(0.814 0.19 152.8)
Closest name: Grotesque Green (#64e986)Relative luminance 0.5821

Tints & shades

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

Harmonies

Complementary

Open in tool →

#e43f9f

#4de43f · #3fe4d6

#843fe4 · #e4843f

Split-complementary

Open in tool →

#d63fe4 · #e43f4d

#3f4de4 · #e43f9f · #e4d63f

Contrast

#3fe484 as textRatioAAAA largeAAAFix
Aaon white
1.66:1failfailfail
  • AA: use #138643 as the text (4.65:1)
  • AAA: use #0e6231 as the text (7.47:1)
  • AA: or shift the background to #545454 (4.56:1)
  • AAA: or shift the background to #383838 (7.06:1)
Aaon black
12.64:1passpasspassPasses 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 #3fe484 as the background.

Brands using this color

mcpConnect your agent — build around #3fe484
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 #3fe484 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fe484-a2beb1-cc59d4-1f2d2b-eaf1e9?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