Color

#34ef37

#34ef37
hex#34ef37
rgbrgb(52, 239, 55)
hslhsl(121, 85%, 57%)
oklchoklch(0.831 0.261 142.9)
Closest name: Becquerel (#4bec13)Relative luminance 0.6274

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef34eb

#8eef34 · #34ef94

#3734ef · #ef3734

Split-complementary

Open in tool →

#9434ef · #ef348e

#348eef · #ef34eb · #ef9434

Contrast

#34ef37 as textRatioAAAA largeAAAFix
Aaon white
1.55:1failfailfail
  • AA: use #0b890d as the text (4.57:1)
  • AAA: use #08680a as the text (7.01:1)
  • AA: or shift the background to #595959 (4.52:1)
  • AAA: or shift the background to #3d3d3d (7.01:1)
Aaon black
13.55:1passpasspassPasses 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 #34ef37 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 #34ef37
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 #34ef37 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/34ef37-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