Color

#42a136

#42a136
hex#42a136
rgbrgb(66, 161, 54)
hslhsl(113, 50%, 42%)
oklchoklch(0.629 0.17 141.5)
Closest name: Grass Is Greener (#3f9b0b)Relative luminance 0.2691

Colors that go with #42a136

Charcoal, Crimson and 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 →

#9436a1

#78a136 · #36a15f

#3642a1 · #a13642

Split-complementary

Open in tool →

#5f36a1 · #a13678

#3678a1 · #9436a1 · #a15f36

Contrast

#42a136 as textRatioAAAA largeAAAFix
Aaon white
3.29:1failpassfail
  • AA: use #37862d as the text (4.55:1)
  • AAA: use #296321 as the text (7.24:1)
  • AA: or shift the background to #262626 (4.6:1)
Aaon black
6.38:1passpassfail
  • AAA: use #47ac39 as the text (7.23:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #42a136 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 #42a136
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 #42a136 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42a136-a2bea2-884edf-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