Color

#aecc28

#aecc28
hex#aecc28
rgbrgb(174, 204, 40)
hslhsl(71, 67%, 48%)
oklchoklch(0.796 0.178 120.2)
Closest name: yellowgreen (#9acd32)Relative luminance 0.5234

Colors that go with #aecc28

Cornflower Blue, Crimson and Dark Olive Green 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 →

#4628cc

#cc9828 · #5ccc28

#28aecc · #cc28ae

Split-complementary

Open in tool →

#285ccc · #9828cc

#28cc98 · #4628cc · #cc285c

Contrast

#aecc28 as textRatioAAAA largeAAAFix
Aaon white
1.83:1failfailfail
  • AA: use #697b18 as the text (4.72:1)
  • AAA: use #505e13 as the text (7.11:1)
  • AA: or shift the background to #4d4d4d (4.62:1)
  • AAA: or shift the background to #303030 (7.21:1)
Aaon black
11.47:1passpasspassPasses 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 #aecc28 as the background.

Brands using this color

mcpConnect your agent — build around #aecc28
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 #aecc28 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aecc28-b6bea2-4e7adf-252d1f-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