Color

#acfa05

#acfa05
hex#acfa05
rgbrgb(172, 250, 5)
hslhsl(79, 96%, 50%)
oklchoklch(0.9 0.238 128.9)
Closest name: greenyellow (#adff2f)Relative luminance 0.7715

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5305fa

#facd05 · #32fa05

#05acfa · #fa05ac

Split-complementary

Open in tool →

#0532fa · #cd05fa

#05facd · #5305fa · #fa0532

Contrast

#acfa05 as textRatioAAAA largeAAAFix
Aaon white
1.28:1failfailfail
  • AA: use #5a8203 as the text (4.54:1)
  • AAA: use #425f02 as the text (7.32:1)
  • AA: or shift the background to #636363 (4.7:1)
  • AAA: or shift the background to #474747 (7.27:1)
Aaon black
16.43:1passpasspassPasses 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 #acfa05 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 #acfa05
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #acfa05 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/acfa05-b2bea2-4e66df-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