Color

#42a720

#42a720
hex#42a720
rgbrgb(66, 167, 32)
hslhsl(105, 68%, 39%)
oklchoklch(0.644 0.19 139.5)
Closest name: Botanical Garden (#44aa11)Relative luminance 0.289

Colors that go with #42a720

Blue, Dodger Blue and Royal 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 →

#8520a7

#85a720 · #20a742

#2042a7 · #a72042

Split-complementary

Open in tool →

#4220a7 · #a72085

#2085a7 · #8520a7 · #a74220

Contrast

#42a720 as textRatioAAAA largeAAAFix
Aaon white
3.1:1failpassfail
  • AA: use #348519 as the text (4.65:1)
  • AAA: use #276313 as the text (7.29:1)
  • AA: or shift the background to #2b2b2b (4.57:1)
Aaon black
6.78:1passpassfail
  • AAA: use #43ab21 as the text (7.09:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42a720 as the background.

Brands using this color

mcpConnect your agent — build around #42a720
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 #42a720 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42a720-a6bea2-754edf-1f2d22-eff1e9?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