Color

#04fb63

#04fb63
hex#04fb63
rgbrgb(4, 251, 99)
hslhsl(143, 97%, 50%)
oklchoklch(0.861 0.252 147.5)
Closest name: Cathode Green (#00ff55)Relative luminance 0.6992

Colors that go with #04fb63

Violet, Hot Pink and Plum lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Real palettes that use #04fb63

Tints & shades

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

Harmonies

Complementary

Open in tool →

#fb049c

#21fb04 · #04fbde

#6304fb · #fb6304

Split-complementary

Open in tool →

#de04fb · #fb0421

#0421fb · #fb049c · #fbde04

Contrast

#04fb63 as textRatioAAAA largeAAAFix
Aaon white
1.4:1failfailfail
  • AA: use #028835 as the text (4.59:1)
  • AAA: use #026427 as the text (7.36:1)
  • AA: or shift the background to #5e5e5e (4.63:1)
  • AAA: or shift the background to #424242 (7.17:1)
Aaon black
14.98:1passpasspassPasses 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 #04fb63 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 #04fb63
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #04fb63 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04fb63-a2beb0-c859d4-1f2d2b-eaf1e9?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