Color

#04fa00

#04fa00
hex#04fa00
rgbrgb(4, 250, 0)
hslhsl(119, 100%, 49%)
oklchoklch(0.854 0.29 142.5)
Closest name: EGA Green (#01ff07)Relative luminance 0.684

Tints & shades

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

Harmonies

Complementary

Open in tool →

#f600fa

#81fa00 · #00fa79

#0004fa · #fa0004

Split-complementary

Open in tool →

#7900fa · #fa0081

#0081fa · #f600fa · #fa7900

Contrast

#04fa00 as textRatioAAAA largeAAAFix
Aaon white
1.43:1failfailfail
  • AA: use #028a00 as the text (4.53:1)
  • AAA: use #026600 as the text (7.23:1)
  • AA: or shift the background to #5e5e5e (4.53:1)
  • AAA: or shift the background to #424242 (7.02:1)
Aaon black
14.68:1passpasspassPasses 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 #04fa00 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 #04fa00
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 #04fa00 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04fa00-a2bea5-964edf-1f2d25-edf1e9?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