Color

#aefc1d

#aefc1d
hex#aefc1d
rgbrgb(174, 252, 29)
hslhsl(81, 97%, 55%)
oklchoklch(0.906 0.235 129.1)
Closest name: greenyellow (#adff2f)Relative luminance 0.7871

Colors that go with #aefc1d

Violet, Blue and Charcoal 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 →

#6b1dfc

#fcda1d · #3efc1d

#1daefc · #fc1dae

Split-complementary

Open in tool →

#1d3efc · #da1dfc

#1dfcda · #6b1dfc · #fc1d3e

Contrast

#aefc1d as textRatioAAAA largeAAAFix
Aaon white
1.25:1failfailfail
  • AA: use #568302 as the text (4.52:1)
  • AAA: use #3f5f01 as the text (7.37:1)
  • AA: or shift the background to #666666 (4.58:1)
  • AAA: or shift the background to #4a4a4a (7.07:1)
Aaon black
16.74:1passpasspassPasses 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 #aefc1d 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 #aefc1d
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 #aefc1d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/aefc1d-b1bea2-4e62df-222d1f-f1f0e9?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