Color

#def41a

#def41a
hex#def41a
rgbrgb(222, 244, 26)
hslhsl(66, 91%, 53%)
oklchoklch(0.919 0.207 116.2)
Closest name: Banana Flash (#eefe02)Relative luminance 0.8031

Tints & shades

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

Harmonies

Complementary

Open in tool →

#301af4

#f49d1a · #71f41a

#1adef4 · #f41ade

Split-complementary

Open in tool →

#1a71f4 · #9d1af4

#1af49d · #301af4 · #f41a71

Contrast

#def41a as textRatioAAAA largeAAAFix
Aaon white
1.23:1failfailfail
  • AA: use #6e7a06 as the text (4.72:1)
  • AAA: use #545d04 as the text (7.13:1)
  • AA: or shift the background to #666666 (4.66:1)
  • AAA: or shift the background to #4a4a4a (7.2:1)
Aaon black
17.06:1passpasspassPasses 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 #def41a 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 #def41a
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 #def41a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/def41a-b8bea2-4e86df-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