Color

#2ef559

#2ef559
hex#2ef559
rgbrgb(46, 245, 89)
hslhsl(133, 91%, 57%)
oklchoklch(0.848 0.249 145.7)
Closest name: Cathode Green (#00ff55)Relative luminance 0.6661

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f52eca

#66f52e · #2ef5bd

#592ef5 · #f5592e

Split-complementary

Open in tool →

#bd2ef5 · #f52e66

#2e66f5 · #f52eca · #f5bd2e

Contrast

#2ef559 as textRatioAAAA largeAAAFix
Aaon white
1.47:1failfailfail
  • AA: use #068823 as the text (4.61:1)
  • AAA: use #05661a as the text (7.19:1)
  • AA: or shift the background to #5c5c5c (4.56:1)
  • AAA: or shift the background to #404040 (7.07:1)
Aaon black
14.32:1passpasspassPasses 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 #2ef559 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 #2ef559
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 #2ef559 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2ef559-a2beab-b84edf-1f2d28-ebf1e9?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