Color

#73fb51

#73fb51
hex#73fb51
rgbrgb(115, 251, 81)
hslhsl(108, 96%, 65%)
oklchoklch(0.879 0.239 140)
Closest name: lawngreen (#7cfc00)Relative luminance 0.7323

Colors that go with #73fb51

Violet, Charcoal and Deep Sky 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 →

#d950fb

#c8fb50 · #50fb83

#5072fb · #fb5072

Split-complementary

Open in tool →

#8350fb · #fb50c8

#50c8fb · #d950fb · #fb8350

Contrast

#73fb51 as textRatioAAAA largeAAAFix
Aaon white
1.34:1failfailfail
  • AA: use #1d8703 as the text (4.65:1)
  • AAA: use #166402 as the text (7.35:1)
  • AA: or shift the background to #616161 (4.61:1)
  • AAA: or shift the background to #454545 (7.14:1)
Aaon black
15.65:1passpasspassPasses 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 #73fb51 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 #73fb51
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 #73fb51 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/73fb51-a4bea2-7c4edf-1f2d23-eff1e9?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