Color

#deaf21

#deaf21
hex#deaf21
rgbrgb(222, 175, 33)
hslhsl(45, 74%, 50%)
oklchoklch(0.776 0.151 88)
Closest name: goldenrod (#daa520)Relative luminance 0.463

Colors that go with #deaf21

Charcoal, Cornflower Blue 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#2150de

#de5021 · #afde21

#21deaf · #af21de

Split-complementary

Open in tool →

#21afde · #5021de

#21de50 · #2150de · #de21af

Contrast

#deaf21 as textRatioAAAA largeAAAFix
Aaon white
2.05:1failfailfail
  • AA: use #8e7015 as the text (4.69:1)
  • AAA: use #6a5410 as the text (7.27:1)
  • AA: or shift the background to #474747 (4.54:1)
  • AAA: or shift the background to #292929 (7.11:1)
Aaon black
10.26:1passpasspassPasses 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 #deaf21 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#deaf21 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #deaf21
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 #deaf21 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/deaf21-c4be9c-62afcb-2b2d1f-f1ebe9?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