Color

#01d501

#01d501
hex#01d501
rgbrgb(1, 213, 1)
hslhsl(120, 99%, 42%)
oklchoklch(0.756 0.257 142.5)
Closest name: Candy Green (#33cc00)Relative luminance 0.476

Colors that go with #01d501

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 →

#d501d5

#6bd501 · #01d56b

#0101d5 · #d50101

Split-complementary

Open in tool →

#6b01d5 · #d5016b

#016bd5 · #d501d5 · #d56b01

Contrast

#01d501 as textRatioAAAA largeAAAFix
Aaon white
2:1failfailfail
  • AA: use #018901 as the text (4.59:1)
  • AAA: use #016501 as the text (7.33:1)
  • AA: or shift the background to #474747 (4.65:1)
  • AAA: or shift the background to #2b2b2b (7.09:1)
Aaon black
10.52:1passpasspassPasses 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 #01d501 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 #01d501
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 #01d501 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/01d501-a2bea5-994edf-1f2d25-edf1e9?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