Color

#42be3c

#42be3c
hex#42be3c
rgbrgb(66, 190, 60)
hslhsl(117, 52%, 49%)
oklchoklch(0.707 0.201 142.5)
Closest name: Exit Light (#55bb33)Relative luminance 0.3831

Colors that go with #42be3c

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 →

#b73cbe

#83be3c · #3cbe76

#3c42be · #be3c42

Split-complementary

Open in tool →

#763cbe · #be3c83

#3c83be · #b73cbe · #be763c

Contrast

#42be3c as textRatioAAAA largeAAAFix
Aaon white
2.42:1failfailfail
  • AA: use #2e842a as the text (4.72:1)
  • AAA: use #236520 as the text (7.11:1)
  • AA: or shift the background to #3b3b3b (4.62:1)
  • AAA: or shift the background to #1c1c1c (7.03:1)
Aaon black
8.66:1passpasspassPasses 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 #42be3c 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 #42be3c
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 #42be3c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42be3c-a2bea4-924edf-1f2d25-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