Color

#d4f820

#d4f820
hex#d4f820
rgbrgb(212, 248, 32)
hslhsl(70, 94%, 55%)
oklchoklch(0.921 0.213 119.9)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.8124

Colors that go with #d4f820

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 →

#4420f8

#f8b020 · #68f820

#20d4f8 · #f820d4

Split-complementary

Open in tool →

#2068f8 · #b020f8

#20f8b0 · #4420f8 · #f82068

Contrast

#d4f820 as textRatioAAAA largeAAAFix
Aaon white
1.22:1failfailfail
  • AA: use #687c04 as the text (4.69:1)
  • AAA: use #4f5e03 as the text (7.16:1)
  • AA: or shift the background to #696969 (4.51:1)
  • AAA: or shift the background to #4a4a4a (7.28:1)
Aaon black
17.25:1passpasspassPasses 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 #d4f820 as the background.

Brands using this color

mcpConnect your agent — build around #d4f820
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 #d4f820 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/d4f820-b6bea2-4e7cdf-252d1f-f1efe9?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