Color

#a1ee11

#a1ee11
hex#a1ee11
rgbrgb(161, 238, 17)
hslhsl(81, 87%, 50%)
oklchoklch(0.866 0.229 129.5)
Closest name: Acid Green (#8ffe09)Relative luminance 0.6877

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5e11ee

#eecd11 · #32ee11

#11a1ee · #ee11a1

Split-complementary

Open in tool →

#1132ee · #cd11ee

#11eecd · #5e11ee · #ee1132

Contrast

#a1ee11 as textRatioAAAA largeAAAFix
Aaon white
1.42:1failfailfail
  • AA: use #578109 as the text (4.62:1)
  • AAA: use #405f07 as the text (7.35:1)
  • AA: or shift the background to #5e5e5e (4.56:1)
  • AAA: or shift the background to #424242 (7.06:1)
Aaon black
14.75:1passpasspassPasses 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 #a1ee11 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 #a1ee11
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 #a1ee11 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/a1ee11-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