Color

#ace042

#ace042
hex#ace042
rgbrgb(172, 224, 66)
hslhsl(80, 72%, 57%)
oklchoklch(0.842 0.189 126.2)
Closest name: Conifer (#b1dd52)Relative luminance 0.6248

Colors that go with #ace042

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 →

#7742e0

#e0c642 · #5de042

#42ace0 · #e042ac

Split-complementary

Open in tool →

#425de0 · #c642e0

#42e0c6 · #7742e0 · #e0425d

Contrast

#ace042 as textRatioAAAA largeAAAFix
Aaon white
1.56:1failfailfail
  • AA: use #5c7f15 as the text (4.66:1)
  • AAA: use #466010 as the text (7.14:1)
  • AA: or shift the background to #595959 (4.5:1)
  • AAA: or shift the background to #3b3b3b (7.2:1)
Aaon black
13.5:1passpasspassPasses 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 #ace042 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 #ace042
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 #ace042 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ace042-b1bea2-4e64df-232d1f-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