Color

#04c321

#04c321
hex#04c321
rgbrgb(4, 195, 33)
hslhsl(129, 96%, 39%)
oklchoklch(0.709 0.233 143.5)
Closest name: Crude Banana (#21c40e)Relative luminance 0.3917

Tints & shades

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

Harmonies

Complementary

Open in tool →

#c304a6

#47c304 · #04c380

#2104c3 · #c32104

Split-complementary

Open in tool →

#8004c3 · #c30447

#0447c3 · #c304a6 · #c38004

Contrast

#04c321 as textRatioAAAA largeAAAFix
Aaon white
2.38:1failfailfail
  • AA: use #038717 as the text (4.69:1)
  • AAA: use #026411 as the text (7.41:1)
  • AA: or shift the background to #3d3d3d (4.57:1)
  • AAA: or shift the background to #1c1c1c (7.17:1)
Aaon black
8.83:1passpasspassPasses 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 #04c321 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 #04c321
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 #04c321 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04c321-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