Color

#42b85a

#42b85a
hex#42b85a
rgbrgb(66, 184, 90)
hslhsl(132, 47%, 49%)
oklchoklch(0.695 0.17 147.3)
Closest name: Intoxicate (#11bb55)Relative luminance 0.3618

Colors that go with #42b85a

Charcoal, 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 →

#b842a0

#65b842 · #42b894

#5a42b8 · #b85a42

Split-complementary

Open in tool →

#9442b8 · #b84265

#4265b8 · #b842a0 · #b89442

Contrast

#42b85a as textRatioAAAA largeAAAFix
Aaon white
2.55:1failfailfail
  • AA: use #2f8340 as the text (4.73:1)
  • AAA: use #246531 as the text (7.05:1)
  • AA: or shift the background to #383838 (4.6:1)
  • AAA: or shift the background to #171717 (7.03:1)
Aaon black
8.24:1passpasspassPasses 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 #42b85a as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #42b85a
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 #42b85a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42b85a-a2beab-b64edf-1f2d28-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