Color

#3bc949

#3bc949
hex#3bc949
rgbrgb(59, 201, 73)
hslhsl(126, 57%, 51%)
oklchoklch(0.735 0.207 144.5)
Closest name: Battletoad (#11cc55)Relative luminance 0.4318

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c93bbb

#74c93b · #3bc990

#493bc9 · #c9493b

Split-complementary

Open in tool →

#903bc9 · #c93b74

#3b74c9 · #c93bbb · #c9903b

Contrast

#3bc949 as textRatioAAAA largeAAAFix
Aaon white
2.18:1failfailfail
  • AA: use #25882f as the text (4.52:1)
  • AAA: use #1b6423 as the text (7.26:1)
  • AA: or shift the background to #424242 (4.61:1)
  • AAA: or shift the background to #242424 (7.12:1)
Aaon black
9.64:1passpasspassPasses 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 #3bc949 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 #3bc949
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 #3bc949 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bc949-a2bea8-a74edf-1f2d27-ecf1e9?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