Color

#3cdf01

#3cdf01
hex#3cdf01
rgbrgb(60, 223, 1)
hslhsl(104, 99%, 44%)
oklchoklch(0.789 0.258 140.7)
Closest name: Alarming Slime (#2ce335)Relative luminance 0.5374

Colors that go with #3cdf01

Taupe, Violet and Dark Orange 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 →

#a401df

#abdf01 · #01df35

#013cdf · #df013c

Split-complementary

Open in tool →

#3501df · #df01ab

#01abdf · #a401df · #df3501

Contrast

#3cdf01 as textRatioAAAA largeAAAFix
Aaon white
1.79:1failfailfail
  • AA: use #258901 as the text (4.51:1)
  • AAA: use #1b6501 as the text (7.22:1)
  • AA: or shift the background to #4f4f4f (4.58:1)
  • AAA: or shift the background to #333333 (7.07:1)
Aaon black
11.75:1passpasspassPasses 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 #3cdf01 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 #3cdf01
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 #3cdf01 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/3cdf01-a6bea2-724edf-1f2d22-eff1e9?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