Color

#42ffa7

#42ffa7
hex#42ffa7
rgbrgb(66, 255, 167)
hslhsl(152, 100%, 63%)
oklchoklch(0.888 0.192 157.6)
Closest name: Illicit Green (#56fca2)Relative luminance 0.7547

Colors that go with #42ffa7

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 →

#ff429a

#42ff49 · #42f9ff

#a742ff · #ffa742

Split-complementary

Open in tool →

#ff42f9 · #ff4942

#4942ff · #ff429a · #f9ff42

Contrast

#42ffa7 as textRatioAAAA largeAAAFix
Aaon white
1.3:1failfailfail
  • AA: use #008547 as the text (4.72:1)
  • AAA: use #006636 as the text (7.11:1)
  • AA: or shift the background to #636363 (4.6:1)
  • AAA: or shift the background to #474747 (7.12:1)
Aaon black
16.09:1passpasspassPasses 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 #42ffa7 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 #42ffa7
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 #42ffa7 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42ffa7-a2beb4-d459ce-1f2d2d-e9f1ea?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