Color

#42ff94

#42ff94
hex#42ff94
rgbrgb(66, 255, 148)
hslhsl(146, 100%, 63%)
oklchoklch(0.884 0.208 153.1)
Closest name: mediumspringgreen (#00fa9a)Relative luminance 0.7482

Colors that go with #42ff94

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 →

#ff42ad

#4fff42 · #42fff2

#9442ff · #ff9442

Split-complementary

Open in tool →

#f242ff · #ff424f

#424fff · #ff42ad · #fff242

Contrast

#42ff94 as textRatioAAAA largeAAAFix
Aaon white
1.32:1failfailfail
  • AA: use #008539 as the text (4.76:1)
  • AAA: use #00662c as the text (7.15:1)
  • AA: or shift the background to #636363 (4.57:1)
  • AAA: or shift the background to #474747 (7.06:1)
Aaon black
15.96:1passpasspassPasses 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 #42ff94 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 #42ff94
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 #42ff94 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42ff94-a2beb1-ce59d4-1f2d2b-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