Color

#03fc0f

#03fc0f
hex#03fc0f
rgbrgb(3, 252, 15)
hslhsl(123, 98%, 50%)
oklchoklch(0.859 0.29 142.6)
Closest name: EGA Green (#01ff07)Relative luminance 0.6967

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fc03f0

#73fc03 · #03fc8c

#0f03fc · #fc0f03

Split-complementary

Open in tool →

#8c03fc · #fc0373

#0373fc · #fc03f0 · #fc8c03

Contrast

#03fc0f as textRatioAAAA largeAAAFix
Aaon white
1.41:1failfailfail
  • AA: use #018808 as the text (4.64:1)
  • AAA: use #016506 as the text (7.33:1)
  • AA: or shift the background to #5e5e5e (4.61:1)
  • AAA: or shift the background to #424242 (7.15:1)
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 #03fc0f 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 #03fc0f
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 #03fc0f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/03fc0f-a2bea6-a04edf-1f2d26-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