Color

#e5fc55

#e5fc55
hex#e5fc55
rgbrgb(229, 252, 85)
hslhsl(68, 97%, 66%)
oklchoklch(0.945 0.187 116.9)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8693

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6b54fc

#fcbf54 · #92fc54

#54e6fc · #fc54e6

Split-complementary

Open in tool →

#5492fc · #bf54fc

#54fcbf · #6b54fc · #fc5492

Contrast

#e5fc55 as textRatioAAAA largeAAAFix
Aaon white
1.14:1failfailfail
  • AA: use #6d7e02 as the text (4.53:1)
  • AAA: use #4f5a01 as the text (7.51:1)
  • AA: or shift the background to #6b6b6b (4.67:1)
  • AAA: or shift the background to #4f4f4f (7.17:1)
Aaon black
18.39:1passpasspassPasses 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 #e5fc55 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 #e5fc55
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 #e5fc55 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e5fc55-b7bea2-4e81df-252d1f-f1eee9?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