Color

#3cd91c

#3cd91c
hex#3cd91c
rgbrgb(60, 217, 28)
hslhsl(110, 77%, 48%)
oklchoklch(0.774 0.247 141.1)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5067

Colors that go with #3cd91c

Taupe, Violet and Hot Pink 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 →

#b91cd9

#9ad91c · #1cd95b

#1c3cd9 · #d91c3c

Split-complementary

Open in tool →

#5b1cd9 · #d91c9a

#1c9ad9 · #b91cd9 · #d95b1c

Contrast

#3cd91c as textRatioAAAA largeAAAFix
Aaon white
1.89:1failfailfail
  • AA: use #258712 as the text (4.61:1)
  • AAA: use #1b630d as the text (7.4:1)
  • AA: or shift the background to #4a4a4a (4.7:1)
  • AAA: or shift the background to #2e2e2e (7.2:1)
Aaon black
11.13:1passpasspassPasses 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 #3cd91c 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 #3cd91c
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 #3cd91c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cd91c-a3bea2-814edf-1f2d23-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