Color

#3ffd88

#3ffd88
hex#3ffd88
rgbrgb(63, 253, 136)
hslhsl(143, 98%, 62%)
oklchoklch(0.877 0.217 151.1)
Closest name: Experimintal Green (#4cff7b)Relative luminance 0.7308

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fd3fb4

#55fd3f · #3ffde7

#883ffd · #fd883f

Split-complementary

Open in tool →

#e73ffd · #fd3f55

#3f55fd · #fd3fb4 · #fde73f

Contrast

#3ffd88 as textRatioAAAA largeAAAFix
Aaon white
1.34:1failfailfail
  • AA: use #018835 as the text (4.59:1)
  • AAA: use #016527 as the text (7.26:1)
  • AA: or shift the background to #616161 (4.61:1)
  • AAA: or shift the background to #454545 (7.13:1)
Aaon black
15.62:1passpasspassPasses 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 #3ffd88 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 #3ffd88
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 #3ffd88 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ffd88-a2beb0-c859d4-1f2d2b-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