Color

#def245

#def245
hex#def245
rgbrgb(222, 242, 69)
hslhsl(67, 87%, 61%)
oklchoklch(0.917 0.188 116)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.7946

Colors that go with #def245

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 →

#5945f2

#f2b045 · #87f245

#45def2 · #f245de

Split-complementary

Open in tool →

#4587f2 · #b045f2

#45f2b0 · #5945f2 · #f24587

Contrast

#def245 as textRatioAAAA largeAAAFix
Aaon white
1.24:1failfailfail
  • AA: use #6f7c09 as the text (4.6:1)
  • AAA: use #515b06 as the text (7.37:1)
  • AA: or shift the background to #666666 (4.62:1)
  • AAA: or shift the background to #4a4a4a (7.13:1)
Aaon black
16.89:1passpasspassPasses 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 #def245 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 #def245
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 #def245 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/def245-b8bea2-4e83df-262d1f-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