Color

#42d168

#42d168
hex#42d168
rgbrgb(66, 209, 104)
hslhsl(136, 61%, 54%)
oklchoklch(0.761 0.19 148.4)
Closest name: Battletoad (#11cc55)Relative luminance 0.4776

Colors that go with #42d168

Blue, Royal Blue and Taupe 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 →

#d142ab

#64d142 · #42d1b0

#6842d1 · #d16842

Split-complementary

Open in tool →

#b042d1 · #d14264

#4264d1 · #d142ab · #d1b042

Contrast

#42d168 as textRatioAAAA largeAAAFix
Aaon white
1.99:1failfailfail
  • AA: use #21873c as the text (4.57:1)
  • AAA: use #18632c as the text (7.34:1)
  • AA: or shift the background to #474747 (4.67:1)
  • AAA: or shift the background to #2b2b2b (7.11:1)
Aaon black
10.55:1passpasspassPasses 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 #42d168 as the background.

Brands using this color

mcpConnect your agent — build around #42d168
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 #42d168 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42d168-a2bead-b959d4-1f2d29-ebf1e9?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