Color

#05ff4c

#05ff4c
hex#05ff4c
rgbrgb(5, 255, 76)
hslhsl(137, 100%, 51%)
oklchoklch(0.87 0.271 145.2)
Closest name: Cathode Green (#00ff55)Relative luminance 0.7207

Tints & shades

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

Harmonies

Complementary

Open in tool →

#ff05b8

#3bff05 · #05ffc9

#4c05ff · #ff4c05

Split-complementary

Open in tool →

#c905ff · #ff053b

#053bff · #ff05b8 · #ffc905

Contrast

#05ff4c as textRatioAAAA largeAAAFix
Aaon white
1.36:1failfailfail
  • AA: use #008a27 as the text (4.5:1)
  • AAA: use #00661d as the text (7.2:1)
  • AA: or shift the background to #616161 (4.55:1)
  • AAA: or shift the background to #454545 (7.04:1)
Aaon black
15.41:1passpasspassPasses 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 #05ff4c 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 #05ff4c
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 #05ff4c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/05ff4c-a2bead-bb59d4-1f2d29-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