Color

#e4f00a

#e4f00a
hex#e4f00a
rgbrgb(228, 240, 10)
hslhsl(63, 92%, 49%)
oklchoklch(0.915 0.204 113.4)
Closest name: Banana Bombshell (#f7e82e)Relative luminance 0.7884

Tints & shades

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

Harmonies

Complementary

Open in tool →

#150af0

#f0880a · #71f00a

#0ae4f0 · #f00ae4

Split-complementary

Open in tool →

#0a71f0 · #880af0

#0af088 · #150af0 · #f00a71

Contrast

#e4f00a as textRatioAAAA largeAAAFix
Aaon white
1.25:1failfailfail
  • AA: use #757a05 as the text (4.62:1)
  • AAA: use #595d04 as the text (7.02:1)
  • AA: or shift the background to #666666 (4.58:1)
  • AAA: or shift the background to #4a4a4a (7.08:1)
Aaon black
16.77:1passpasspassPasses 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 #e4f00a 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 #e4f00a
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 #e4f00a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/e4f00a-b9bea2-4e8ddf-262d1f-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