brandsweets

Color

#3fee8b

#3fee8b
hex#3fee8b
rgbrgb(63, 238, 139)
hslhsl(146, 84%, 59%)
oklchoklch(0.84 0.196 153.2)
Closest name: Grotesque Green (#64e986)Relative luminance 0.6407
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

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3fee8bee3fa2

#ee3fa2

Analogous

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3fee8b4aee3f3feee3

#4aee3f · #3feee3

Triadic

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3fee8b8b3feeee8b3f

#8b3fee · #ee8b3f

Split-complementary

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3fee8be33feeee3f4a

#e33fee · #ee3f4a

Tetradic

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3fee8b3f4aeeee3fa2eee33f

#3f4aee · #ee3fa2 · #eee33f

Contrast

#3fee8b as textRatioAAAA largeAAAFix
Aaon white
1.52:1failfailfail
  • AA: use #0c8842 as the text (4.55:1)
  • AAA: use #096732 as the text (7.01:1)
  • AA: or shift the background to #595959 (4.61:1)
  • AAA: or shift the background to #3d3d3d (7.15:1)
Aaon black
13.81:1passpasspassPasses 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 #3fee8b as the background.

Brands using this color

mcpConnect your agent — build around #3fee8b
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 #3fee8b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fee8b-a2beb1-ce59d4-1f2d2b-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