brandsweets

Color

#3fe97b

#3fe97b
hex#3fe97b
rgbrgb(63, 233, 123)
hslhsl(141, 79%, 58%)
oklchoklch(0.825 0.204 150.4)
Closest name: Grotesque Green (#64e986)Relative luminance 0.6076
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
3fe97be93fad

#e93fad

Analogous

Open in tool →
3fe97b59e93f3fe9cf

#59e93f · #3fe9cf

Triadic

Open in tool →
3fe97b7b3fe9e97b3f

#7b3fe9 · #e97b3f

Split-complementary

Open in tool →
3fe97bcf3fe9e93f59

#cf3fe9 · #e93f59

Tetradic

Open in tool →
3fe97b3f59e9e93fade9cf3f

#3f59e9 · #e93fad · #e9cf3f

Contrast

#3fe97b as textRatioAAAA largeAAAFix
Aaon white
1.6:1failfailfail
  • AA: use #10893a as the text (4.51:1)
  • AAA: use #0c642b as the text (7.31:1)
  • AA: or shift the background to #575757 (4.53:1)
  • AAA: or shift the background to #3b3b3b (7.02:1)
Aaon black
13.15:1passpasspassPasses 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 #3fe97b as the background.

Brands using this color

mcpConnect your agent — build around #3fe97b
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 #3fe97b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fe97b-a2beaf-c459d4-1f2d2a-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