Color

#def958

#def958
hex#def958
rgbrgb(222, 249, 88)
hslhsl(70, 93%, 66%)
oklchoklch(0.933 0.184 118.3)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8399

Colors that go with #def958

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 →

#7358f9

#f9c358 · #8df958

#58def9 · #f958de

Split-complementary

Open in tool →

#588df9 · #c358f9

#58f9c3 · #7358f9 · #f9588d

Contrast

#def958 as textRatioAAAA largeAAAFix
Aaon white
1.18:1failfailfail
  • AA: use #677b04 as the text (4.76:1)
  • AAA: use #4e5e03 as the text (7.18:1)
  • AA: or shift the background to #6b6b6b (4.52:1)
  • AAA: or shift the background to #4d4d4d (7.16:1)
Aaon black
17.8:1passpasspassPasses 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 #def958 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 #def958
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 #def958 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/def958-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