Color

#1ded1d

#1ded1d
hex#1ded1d
rgbrgb(29, 237, 29)
hslhsl(120, 85%, 52%)
oklchoklch(0.822 0.272 142.6)
Closest name: Becquerel (#4bec13)Relative luminance 0.6092

Colors that go with #1ded1d

Violet, Deep Sky Blue 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 →

#ed1ded

#85ed1d · #1ded85

#1d1ded · #ed1d1d

Split-complementary

Open in tool →

#851ded · #ed1d85

#1d85ed · #ed1ded · #ed851d

Contrast

#1ded1d as textRatioAAAA largeAAAFix
Aaon white
1.59:1failfailfail
  • AA: use #0b890b as the text (4.57:1)
  • AAA: use #086808 as the text (7.01:1)
  • AA: or shift the background to #575757 (4.54:1)
  • AAA: or shift the background to #3b3b3b (7.03:1)
Aaon black
13.18:1passpasspassPasses 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 #1ded1d 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 #1ded1d
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 #1ded1d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/1ded1d-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