Color

#42c282

#42c282
hex#42c282
rgbrgb(66, 194, 130)
hslhsl(150, 51%, 51%)
oklchoklch(0.728 0.146 157.5)
Closest name: Emerald Green (#50c878)Relative luminance 0.4135

Colors that go with #42c282

Charcoal, Blue and Cornflower 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 →

#c24282

#42c242 · #42c2c2

#8242c2 · #c28242

Split-complementary

Open in tool →

#c242c2 · #c24242

#4242c2 · #c24282 · #c2c242

Contrast

#42c282 as textRatioAAAA largeAAAFix
Aaon white
2.27:1failfailfail
  • AA: use #2a8357 as the text (4.68:1)
  • AAA: use #206442 as the text (7.09:1)
  • AA: or shift the background to #404040 (4.58:1)
  • AAA: or shift the background to #212121 (7.11:1)
Aaon black
9.27:1passpasspassPasses 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 #42c282 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 #42c282
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 #42c282 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42c282-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