Color

#aecc38

#aecc38
hex#aecc38
rgbrgb(174, 204, 56)
hslhsl(72, 59%, 51%)
oklchoklch(0.797 0.17 120.5)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5247

Colors that go with #aecc38

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 #aecc38

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5638cc

#cca038 · #65cc38

#38aecc · #cc38ae

Split-complementary

Open in tool →

#3865cc · #a038cc

#38cca0 · #5638cc · #cc3865

Contrast

#aecc38 as textRatioAAAA largeAAAFix
Aaon white
1.83:1failfailfail
  • AA: use #6b7e20 as the text (4.54:1)
  • AAA: use #4f5d18 as the text (7.21:1)
  • AA: or shift the background to #4d4d4d (4.63:1)
  • AAA: or shift the background to #303030 (7.22:1)
Aaon black
11.49:1passpasspassPasses 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 #aecc38 as the background.

Brands using this color

mcpConnect your agent — build around #aecc38
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 #aecc38 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aecc38-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