Color

#d4f80d

#d4f80d
hex#d4f80d
rgbrgb(212, 248, 13)
hslhsl(69, 94%, 51%)
oklchoklch(0.921 0.217 119.8)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.8116

Colors that go with #d4f80d

Blue, Crimson and Red 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 →

#300df8

#f8a50d · #5ff80d

#0dd4f8 · #f80dd4

Split-complementary

Open in tool →

#0d5ff8 · #a50df8

#0df8a5 · #300df8 · #f80d5f

Contrast

#d4f80d as textRatioAAAA largeAAAFix
Aaon white
1.22:1failfailfail
  • AA: use #6a7c04 as the text (4.67:1)
  • AAA: use #505e03 as the text (7.13:1)
  • AA: or shift the background to #696969 (4.5:1)
  • AAA: or shift the background to #4a4a4a (7.27:1)
Aaon black
17.23:1passpasspassPasses 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 #d4f80d as the background.

Brands using this color

mcpConnect your agent — build around #d4f80d
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 #d4f80d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d4f80d-b7bea2-4e7edf-252d1f-f1eee9?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