Color

#2efa57

#2efa57
hex#2efa57
rgbrgb(46, 250, 87)
hslhsl(132, 95%, 58%)
oklchoklch(0.861 0.255 145.4)
Closest name: Cathode Green (#00ff55)Relative luminance 0.6964

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fa2ed1

#6bfa2e · #2efabd

#572efa · #fa572e

Split-complementary

Open in tool →

#bd2efa · #fa2e6b

#2e6bfa · #fa2ed1 · #fabd2e

Contrast

#2efa57 as textRatioAAAA largeAAAFix
Aaon white
1.41:1failfailfail
  • AA: use #03861e as the text (4.74:1)
  • AAA: use #036817 as the text (7.01:1)
  • AA: or shift the background to #5e5e5e (4.61:1)
  • AAA: or shift the background to #424242 (7.14:1)
Aaon black
14.93:1passpasspassPasses 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 #2efa57 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 #2efa57
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 #2efa57 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/2efa57-a2beab-b64edf-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