Color

#dee51f

#dee51f
hex#dee51f
rgbrgb(222, 229, 31)
hslhsl(62, 79%, 51%)
oklchoklch(0.887 0.191 112)
Closest name: Bitter Lemon (#d2db32)Relative luminance 0.7167

Tints & shades

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

Harmonies

Complementary

Open in tool →

#261fe5

#e5891f · #7be51f

#1fdee5 · #e51fde

Split-complementary

Open in tool →

#1f7be5 · #891fe5

#1fe589 · #261fe5 · #e51f7b

Contrast

#dee51f as textRatioAAAA largeAAAFix
Aaon white
1.37:1failfailfail
  • AA: use #787b0e as the text (4.53:1)
  • AAA: use #595b0b as the text (7.18:1)
  • AA: or shift the background to #616161 (4.52:1)
  • AAA: or shift the background to #454545 (7:1)
Aaon black
15.33:1passpasspassPasses 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 #dee51f 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 #dee51f
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 #dee51f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/dee51f-babea2-4e8fdf-272d1f-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