Color

#42b63a

#42b63a
hex#42b63a
rgbrgb(66, 182, 58)
hslhsl(116, 52%, 47%)
oklchoklch(0.686 0.193 142.2)
Closest name: Exit Light (#55bb33)Relative luminance 0.3492

Colors that go with #42b63a

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 →

#ae3ab6

#80b63a · #3ab670

#3a42b6 · #b63a42

Split-complementary

Open in tool →

#703ab6 · #b63a80

#3a80b6 · #ae3ab6 · #b6703a

Contrast

#42b63a as textRatioAAAA largeAAAFix
Aaon white
2.63:1failfailfail
  • AA: use #30842a as the text (4.71:1)
  • AAA: use #246520 as the text (7.1:1)
  • AA: or shift the background to #363636 (4.59:1)
  • AAA: or shift the background to #141414 (7:1)
Aaon black
7.98:1passpasspassPasses 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 #42b63a as the background.

Brands using this color

Palettes built around it

mcpConnect your agent — build around #42b63a
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 #42b63a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42b63a-a2bea3-8f4edf-1f2d24-eef1e9?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