Color

#cde91c

#cde91c
hex#cde91c
rgbrgb(205, 233, 28)
hslhsl(68, 82%, 51%)
oklchoklch(0.883 0.201 118.3)
Closest name: Inchworm (#b2ec5d)Relative luminance 0.7134

Colors that go with #cde91c

Charcoal, Crimson and Denim 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 →

#371ce9

#e99d1c · #67e91c

#1ccde9 · #e91ccd

Split-complementary

Open in tool →

#1c67e9 · #9d1ce9

#1ce99d · #371ce9 · #e91c67

Contrast

#cde91c as textRatioAAAA largeAAAFix
Aaon white
1.38:1failfailfail
  • AA: use #6e7d0c as the text (4.56:1)
  • AAA: use #525d09 as the text (7.17:1)
  • AA: or shift the background to #616161 (4.5:1)
  • AAA: or shift the background to #424242 (7.31:1)
Aaon black
15.27:1passpasspassPasses 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 #cde91c 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 #cde91c
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 #cde91c and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cde91c-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