brandsweets

Color

#3fee50

#3fee50
hex#3fee50
rgbrgb(63, 238, 80)
hslhsl(126, 84%, 59%)
oklchoklch(0.832 0.243 144.2)
Closest name: Becquerel (#4bec13)Relative luminance 0.6279
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
3fee50ee3fdd

#ee3fdd

Analogous

Open in tool →
3fee5085ee3f3feea8

#85ee3f · #3feea8

Triadic

Open in tool →
3fee50503feeee503f

#503fee · #ee503f

Split-complementary

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3fee50a83feeee3f85

#a83fee · #ee3f85

Tetradic

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3fee503f85eeee3fddeea83f

#3f85ee · #ee3fdd · #eea83f

Contrast

#3fee50 as textRatioAAAA largeAAAFix
Aaon white
1.55:1failfailfail
  • AA: use #0c8818 as the text (4.61:1)
  • AAA: use #096712 as the text (7.09:1)
  • AA: or shift the background to #595959 (4.52:1)
  • AAA: or shift the background to #3d3d3d (7.01:1)
Aaon black
13.56:1passpasspassPasses 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 #3fee50 as the background.

Brands using this color

mcpConnect your agent — build around #3fee50
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 #3fee50 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fee50-a2bea8-a74edf-1f2d27-ecf1e9?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