Color

#3ff32b

#3ff32b
hex#3ff32b
rgbrgb(63, 243, 43)
hslhsl(114, 89%, 56%)
oklchoklch(0.843 0.267 141.8)
Closest name: Becquerel (#4bec13)Relative luminance 0.6533

Tints & shades

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

Harmonies

Complementary

Open in tool →

#df2bf3

#a3f32b · #2bf37b

#2b3ff3 · #f32b3f

Split-complementary

Open in tool →

#7b2bf3 · #f32ba3

#2ba3f3 · #df2bf3 · #f37b2b

Contrast

#3ff32b as textRatioAAAA largeAAAFix
Aaon white
1.49:1failfailfail
  • AA: use #158708 as the text (4.67:1)
  • AAA: use #0f6506 as the text (7.28:1)
  • AA: or shift the background to #595959 (4.69:1)
  • AAA: or shift the background to #3d3d3d (7.28:1)
Aaon black
14.07:1passpasspassPasses 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 #3ff32b 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 #3ff32b
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 #3ff32b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3ff32b-a2bea2-8a4edf-1f2d24-eef1e9?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