Color

#34e421

#34e421
hex#34e421
rgbrgb(52, 228, 33)
hslhsl(114, 78%, 51%)
oklchoklch(0.802 0.258 141.9)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5633

Tints & shades

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

Harmonies

Complementary

Open in tool →

#d021e4

#96e421 · #21e46f

#2134e4 · #e42134

Split-complementary

Open in tool →

#6f21e4 · #e42196

#2196e4 · #d021e4 · #e46f21

Contrast

#34e421 as textRatioAAAA largeAAAFix
Aaon white
1.71:1failfailfail
  • AA: use #1d8811 as the text (4.58:1)
  • AAA: use #15640c as the text (7.34:1)
  • AA: or shift the background to #525252 (4.56:1)
  • AAA: or shift the background to #363636 (7.06:1)
Aaon black
12.27:1passpasspassPasses 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 #34e421 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 #34e421
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 #34e421 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/34e421-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