Color

#42f05f

#42f05f
hex#42f05f
rgbrgb(66, 240, 95)
hslhsl(130, 85%, 60%)
oklchoklch(0.839 0.234 145.6)
Closest name: Becquerel (#4bec13)Relative luminance 0.643

Colors that go with #42f05f

Taupe, Violet and Charcoal 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 →

#f042d3

#7cf042 · #42f0b6

#5f42f0 · #f05f42

Split-complementary

Open in tool →

#b642f0 · #f0427c

#427cf0 · #f042d3 · #f0b642

Contrast

#42f05f as textRatioAAAA largeAAAFix
Aaon white
1.52:1failfailfail
  • AA: use #0b8920 as the text (4.55:1)
  • AAA: use #086317 as the text (7.48:1)
  • AA: or shift the background to #595959 (4.62:1)
  • AAA: or shift the background to #3d3d3d (7.17:1)
Aaon black
13.86:1passpasspassPasses 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 #42f05f as the background.

Brands using this color

mcpConnect your agent — build around #42f05f
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 #42f05f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/42f05f-a2beaa-b14edf-1f2d28-ecf1e9?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