Color

#afcd37

#afcd37
hex#afcd37
rgbrgb(175, 205, 55)
hslhsl(72, 60%, 51%)
oklchoklch(0.799 0.172 120.5)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5305

Colors that go with #afcd37

Cornflower Blue, Deep Sky Blue and Crimson 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 #afcd37

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5537cd

#cda037 · #64cd37

#37afcd · #cd37af

Split-complementary

Open in tool →

#3764cd · #a037cd

#37cda0 · #5537cd · #cd3764

Contrast

#afcd37 as textRatioAAAA largeAAAFix
Aaon white
1.81:1failfailfail
  • AA: use #6c7e20 as the text (4.52:1)
  • AAA: use #505e17 as the text (7.11:1)
  • AA: or shift the background to #4f4f4f (4.53:1)
  • AAA: or shift the background to #303030 (7.3:1)
Aaon black
11.61:1passpasspassPasses 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 #afcd37 as the background.

Brands using this color

mcpConnect your agent — build around #afcd37
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 #afcd37 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/afcd37-b5bea2-4e77df-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