Color

#8ff42a

#8ff42a
hex#8ff42a
rgbrgb(143, 244, 42)
hslhsl(90, 90%, 56%)
oklchoklch(0.871 0.238 133.8)
Closest name: lawngreen (#7cfc00)Relative luminance 0.7071

Colors that go with #8ff42a

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.

Real palettes that use #8ff42a

Tints & shades

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

Harmonies

Complementary

Open in tool →

#8f2af4

#f4f42a · #2af42a

#2a8ff4 · #f42a8f

Split-complementary

Open in tool →

#2a2af4 · #f42af4

#2af4f4 · #8f2af4 · #f42a2a

Contrast

#8ff42a as textRatioAAAA largeAAAFix
Aaon white
1.39:1failfailfail
  • AA: use #458307 as the text (4.66:1)
  • AAA: use #336105 as the text (7.36:1)
  • AA: or shift the background to #5e5e5e (4.68:1)
  • AAA: or shift the background to #424242 (7.25:1)
Aaon black
15.14:1passpasspassPasses 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 #8ff42a 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 #8ff42a
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 #8ff42a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/8ff42a-adbea2-514edf-202d1f-f1f1e9?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