Color

#42e057

#42e057
hex#42e057
rgbrgb(66, 224, 87)
hslhsl(128, 72%, 57%)
oklchoklch(0.798 0.222 145.1)
Closest name: Green Priestess (#11dd55)Relative luminance 0.5516

Colors that go with #42e057

Taupe, Violet and Hot Pink 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 →

#e042cb

#7ce042 · #42e0a6

#5742e0 · #e05742

Split-complementary

Open in tool →

#a642e0 · #e0427c

#427ce0 · #e042cb · #e0a642

Contrast

#42e057 as textRatioAAAA largeAAAFix
Aaon white
1.75:1failfailfail
  • AA: use #168825 as the text (4.58:1)
  • AAA: use #10651c as the text (7.24:1)
  • AA: or shift the background to #4f4f4f (4.69:1)
  • AAA: or shift the background to #333333 (7.24:1)
Aaon black
12.03:1passpasspassPasses 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 #42e057 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 #42e057
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 #42e057 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42e057-a2bea9-ac4edf-1f2d27-ecf1e9?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