Color

#42ae47

#42ae47
hex#42ae47
rgbrgb(66, 174, 71)
hslhsl(123, 45%, 47%)
oklchoklch(0.666 0.173 144.1)
Closest name: Fennel Fiasco (#00aa44)Relative luminance 0.3189

Colors that go with #42ae47

Charcoal, 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 →

#ae42a8

#72ae42 · #42ae7d

#4742ae · #ae4742

Split-complementary

Open in tool →

#7d42ae · #ae4272

#4272ae · #ae42a8 · #ae7d42

Contrast

#42ae47 as textRatioAAAA largeAAAFix
Aaon white
2.85:1failfailfail
  • AA: use #328537 as the text (4.62:1)
  • AAA: use #266429 as the text (7.15:1)
  • AA: or shift the background to #303030 (4.64:1)
  • AAA: or shift the background to #080808 (7.04:1)
Aaon black
7.38:1passpasspassPasses 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 #42ae47 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 #42ae47
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 #42ae47 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42ae47-a2bea6-a04edf-1f2d26-edf1e9?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