Color

#34ef53

#34ef53
hex#34ef53
rgbrgb(52, 239, 83)
hslhsl(130, 85%, 57%)
oklchoklch(0.833 0.245 145.1)
Closest name: Becquerel (#4bec13)Relative luminance 0.6309

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ef34cf

#72ef34 · #34efb0

#5334ef · #ef5334

Split-complementary

Open in tool →

#b034ef · #ef3472

#3472ef · #ef34cf · #efb034

Contrast

#34ef53 as textRatioAAAA largeAAAFix
Aaon white
1.54:1failfailfail
  • AA: use #0b8920 as the text (4.55:1)
  • AAA: use #086317 as the text (7.48:1)
  • AA: or shift the background to #595959 (4.54:1)
  • AAA: or shift the background to #3d3d3d (7.04:1)
Aaon black
13.62:1passpasspassPasses 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 #34ef53 as the background.

Brands using this color

mcpConnect your agent — build around #34ef53
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 #34ef53 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/34ef53-a2beaa-b14edf-1f2d28-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