Color

#3df055

#3df055
hex#3df055
rgbrgb(61, 240, 85)
hslhsl(128, 86%, 59%)
oklchoklch(0.837 0.243 144.8)
Closest name: Becquerel (#4bec13)Relative luminance 0.6397

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f03dd8

#7ef03d · #3df0ae

#553df0 · #f0553d

Split-complementary

Open in tool →

#ae3df0 · #f03d7e

#3d7ef0 · #f03dd8 · #f0ae3d

Contrast

#3df055 as textRatioAAAA largeAAAFix
Aaon white
1.52:1failfailfail
  • AA: use #0a8a1b as the text (4.5:1)
  • AAA: use #076414 as the text (7.39:1)
  • AA: or shift the background to #595959 (4.6:1)
  • AAA: or shift the background to #3d3d3d (7.13:1)
Aaon black
13.79:1passpasspassPasses 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 #3df055 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 #3df055
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 #3df055 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3df055-a2bea9-ac4edf-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