Color

#afde21

#afde21
hex#afde21
rgbrgb(175, 222, 33)
hslhsl(75, 74%, 50%)
oklchoklch(0.837 0.201 124)
Closest name: Conifer (#b1dd52)Relative luminance 0.6147

Colors that go with #afde21

Blue, 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.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5021de

#deaf21 · #50de21

#21afde · #de21af

Split-complementary

Open in tool →

#2150de · #af21de

#21deaf · #5021de · #de2150

Contrast

#afde21 as textRatioAAAA largeAAAFix
Aaon white
1.58:1failfailfail
  • AA: use #627c13 as the text (4.76:1)
  • AAA: use #495d0e as the text (7.35:1)
  • AA: or shift the background to #575757 (4.57:1)
  • AAA: or shift the background to #3b3b3b (7.09:1)
Aaon black
13.29:1passpasspassPasses 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 #afde21 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 #afde21
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 #afde21 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/afde21-b4bea2-4e70df-242d1f-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