Color

#04af51

#04af51
hex#04af51
rgbrgb(4, 175, 81)
hslhsl(147, 96%, 35%)
oklchoklch(0.659 0.181 150)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.3128

Colors that go with #04af51

Charcoal, Blue and Royal Blue 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#af0462

#0caf04 · #04afa6

#5104af · #af5104

Split-complementary

Open in tool →

#a604af · #af040c

#040caf · #af0462 · #afa604

Contrast

#04af51 as textRatioAAAA largeAAAFix
Aaon white
2.89:1failfailfail
  • AA: use #03873e as the text (4.63:1)
  • AAA: use #02642e as the text (7.33:1)
  • AA: or shift the background to #303030 (4.56:1)
  • AAA: or shift the background to #050505 (7.04:1)
Aaon black
7.26:1passpasspassPasses 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 #04af51 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 #04af51
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 #04af51 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/04af51-a2beb2-d059d4-1f2d2c-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