Color

#42e099

#42e099
hex#42e099
rgbrgb(66, 224, 153)
hslhsl(153, 72%, 57%)
oklchoklch(0.808 0.165 159.2)
Closest name: Envy’s Love (#2dd78d)Relative luminance 0.5677

Colors that go with #42e099

Charcoal, Deep Sky Blue and Mustard Yellow 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 →

#e04289

#42e04a · #42d8e0

#9942e0 · #e09942

Split-complementary

Open in tool →

#e042d8 · #e04a42

#4a42e0 · #e04289 · #d8e042

Contrast

#42e099 as textRatioAAAA largeAAAFix
Aaon white
1.7:1failfailfail
  • AA: use #158452 as the text (4.71:1)
  • AAA: use #10653f as the text (7.11:1)
  • AA: or shift the background to #525252 (4.6:1)
  • AAA: or shift the background to #363636 (7.11:1)
Aaon black
12.35:1passpasspassPasses 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 #42e099 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 #42e099
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 #42e099 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42e099-a2beb5-d459cc-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