Color

#cbd421

#cbd421
hex#cbd421
rgbrgb(203, 212, 33)
hslhsl(63, 73%, 48%)
oklchoklch(0.835 0.179 112.9)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.5989

Colors that go with #cbd421

Charcoal, Crimson and Deep Sky Blue 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.

Real palettes that use #cbd421

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#2a21d4

#d48321 · #71d421

#21cbd4 · #d421cb

Split-complementary

Open in tool →

#2171d4 · #8321d4

#21d483 · #2a21d4 · #d42171

Contrast

#cbd421 as textRatioAAAA largeAAAFix
Aaon white
1.62:1failfailfail
  • AA: use #767c13 as the text (4.5:1)
  • AAA: use #595d0e as the text (7.01:1)
  • AA: or shift the background to #545454 (4.68:1)
  • AAA: or shift the background to #383838 (7.25:1)
Aaon black
12.98:1passpasspassPasses 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 #cbd421 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 #cbd421
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 #cbd421 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cbd421-b9bea2-4e8ddf-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