Color

#42e091

#42e091
hex#42e091
rgbrgb(66, 224, 145)
hslhsl(150, 72%, 57%)
oklchoklch(0.807 0.172 156.6)
Closest name: Envy’s Love (#2dd78d)Relative luminance 0.5651

Colors that go with #42e091

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 →

#e04291

#42e042 · #42e0e0

#9142e0 · #e09142

Split-complementary

Open in tool →

#e042e0 · #e04242

#4242e0 · #e04291 · #e0e042

Contrast

#42e091 as textRatioAAAA largeAAAFix
Aaon white
1.71:1failfailfail
  • AA: use #15844d as the text (4.73:1)
  • AAA: use #10653b as the text (7.13:1)
  • AA: or shift the background to #525252 (4.58:1)
  • AAA: or shift the background to #363636 (7.08:1)
Aaon black
12.3:1passpasspassPasses 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 #42e091 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 #42e091
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 #42e091 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42e091-a2beb3-d459d2-1f2d2c-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