Color

#3fca79

#3fca79
hex#3fca79
rgbrgb(63, 202, 121)
hslhsl(145, 57%, 52%)
oklchoklch(0.746 0.166 153.4)
Closest name: Bermudagrass (#6bc271)Relative luminance 0.4468

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ca3f90

#4aca3f · #3fcabf

#793fca · #ca793f

Split-complementary

Open in tool →

#bf3fca · #ca3f4a

#3f4aca · #ca3f90 · #cabf3f

Contrast

#3fca79 as textRatioAAAA largeAAAFix
Aaon white
2.11:1failfailfail
  • AA: use #24844c as the text (4.69:1)
  • AAA: use #1b643a as the text (7.17:1)
  • AA: or shift the background to #454545 (4.54:1)
  • AAA: or shift the background to #262626 (7.16:1)
Aaon black
9.94:1passpasspassPasses 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 #3fca79 as the background.

Brands using this color

mcpConnect your agent — build around #3fca79
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 #3fca79 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3fca79-a2beb1-cc59d4-1f2d2b-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