Color

#3bb03d

#3bb03d
hex#3bb03d
rgbrgb(59, 176, 61)
hslhsl(121, 50%, 46%)
oklchoklch(0.668 0.186 143.4)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.3232

Tints & shades

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

Harmonies

Complementary

Open in tool →

#b03bae

#73b03b · #3bb077

#3d3bb0 · #b03d3b

Split-complementary

Open in tool →

#773bb0 · #b03b73

#3b73b0 · #b03bae · #b0773b

Contrast

#3bb03d as textRatioAAAA largeAAAFix
Aaon white
2.81:1failfailfail
  • AA: use #2d862e as the text (4.6:1)
  • AAA: use #216322 as the text (7.31:1)
  • AA: or shift the background to #303030 (4.69:1)
  • AAA: or shift the background to #0a0a0a (7.04:1)
Aaon black
7.46:1passpasspassPasses 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 #3bb03d 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 #3bb03d
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 #3bb03d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3bb03d-a2bea6-9b4edf-1f2d26-edf1e9?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