Color

#ddf25a

#ddf25a
hex#ddf25a
rgbrgb(221, 242, 90)
hslhsl(68, 85%, 65%)
oklchoklch(0.918 0.175 116.7)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.7961

Colors that go with #ddf25a

Plum, Blue and Charcoal 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 →

#6e5af2

#f2ba5a · #92f25a

#5addf2 · #f25add

Split-complementary

Open in tool →

#5a92f2 · #ba5af2

#5af2ba · #6e5af2 · #f25a92

Contrast

#ddf25a as textRatioAAAA largeAAAFix
Aaon white
1.24:1failfailfail
  • AA: use #6c7b0a as the text (4.69:1)
  • AAA: use #535e08 as the text (7.07:1)
  • AA: or shift the background to #666666 (4.63:1)
  • AAA: or shift the background to #4a4a4a (7.14:1)
Aaon black
16.92:1passpasspassPasses 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 #ddf25a as the background.

Brands using this color

mcpConnect your agent — build around #ddf25a
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 #ddf25a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ddf25a-b7bea2-4e81df-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