Color

#05ff2b

#05ff2b
hex#05ff2b
rgbrgb(5, 255, 43)
hslhsl(129, 100%, 51%)
oklchoklch(0.868 0.286 143.3)
Closest name: Cyber Neon Green (#00ff26)Relative luminance 0.7173

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ff05da

#5dff05 · #05ffa8

#2b05ff · #ff2b05

Split-complementary

Open in tool →

#a805ff · #ff055d

#055dff · #ff05da · #ffa805

Contrast

#05ff2b as textRatioAAAA largeAAAFix
Aaon white
1.37:1failfailfail
  • AA: use #008a15 as the text (4.52:1)
  • AAA: use #00660f as the text (7.22:1)
  • AA: or shift the background to #616161 (4.53:1)
  • AAA: or shift the background to #454545 (7.01:1)
Aaon black
15.35:1passpasspassPasses 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 #05ff2b 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 #05ff2b
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 #05ff2b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/05ff2b-a2bea9-ae4edf-1f2d27-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