Color

#01cb4e

#01cb4e
hex#01cb4e
rgbrgb(1, 203, 78)
hslhsl(143, 99%, 40%)
oklchoklch(0.734 0.216 147.4)
Closest name: Alienated (#00cc55)Relative luminance 0.4327

Colors that go with #01cb4e

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 →

#cb017e

#19cb01 · #01cbb3

#4e01cb · #cb4e01

Split-complementary

Open in tool →

#b301cb · #cb0119

#0119cb · #cb017e · #cbb301

Contrast

#01cb4e as textRatioAAAA largeAAAFix
Aaon white
2.18:1failfailfail
  • AA: use #018935 as the text (4.53:1)
  • AAA: use #016527 as the text (7.26:1)
  • AA: or shift the background to #424242 (4.62:1)
  • AAA: or shift the background to #242424 (7.14:1)
Aaon black
9.65:1passpasspassPasses 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 #01cb4e as the background.

Brands using this color

mcpConnect your agent — build around #01cb4e
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 #01cb4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01cb4e-a2beb0-c859d4-1f2d2b-eaf1e9?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