Color

#01d51d

#01d51d
hex#01d51d
rgbrgb(1, 213, 29)
hslhsl(128, 99%, 42%)
oklchoklch(0.757 0.252 143.2)
Closest name: Candy Green (#33cc00)Relative luminance 0.4768

Colors that go with #01d51d

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 →

#d501b9

#4fd501 · #01d587

#1d01d5 · #d51d01

Split-complementary

Open in tool →

#8701d5 · #d5014f

#014fd5 · #d501b9 · #d58701

Contrast

#01d51d as textRatioAAAA largeAAAFix
Aaon white
1.99:1failfailfail
  • AA: use #018913 as the text (4.58:1)
  • AAA: use #01650e as the text (7.32:1)
  • AA: or shift the background to #474747 (4.66:1)
  • AAA: or shift the background to #2b2b2b (7.1:1)
Aaon black
10.54:1passpasspassPasses 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 #01d51d 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 #01d51d
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 #01d51d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01d51d-a2bea9-ac4edf-1f2d27-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