Color

#3bf799

#3bf799
hex#3bf799
rgbrgb(59, 247, 153)
hslhsl(150, 92%, 60%)
oklchoklch(0.864 0.196 155.6)
Closest name: mediumspringgreen (#00fa9a)Relative luminance 0.6975

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f73b99

#3bf73b · #3bf7f7

#993bf7 · #f7993b

Split-complementary

Open in tool →

#f73bf7 · #f73b3b

#3b3bf7 · #f73b99 · #f7f73b

Contrast

#3bf799 as textRatioAAAA largeAAAFix
Aaon white
1.4:1failfailfail
  • AA: use #068445 as the text (4.78:1)
  • AAA: use #046736 as the text (7:1)
  • AA: or shift the background to #5e5e5e (4.62:1)
  • AAA: or shift the background to #424242 (7.15:1)
Aaon black
14.95:1passpasspassPasses 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 #3bf799 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 #3bf799
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 #3bf799 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bf799-a2beb3-d459d2-1f2d2c-e9f1ea?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