Color

#eef651

#eef651
hex#eef651
rgbrgb(238, 246, 81)
hslhsl(63, 90%, 64%)
oklchoklch(0.938 0.18 112.1)
Closest name: Buttercup Glow (#f1f458)Relative luminance 0.8468

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5951f6

#f6ab51 · #9bf651

#51eef6 · #f651ee

Split-complementary

Open in tool →

#519bf6 · #ab51f6

#51f6ab · #5951f6 · #f6519b

Contrast

#eef651 as textRatioAAAA largeAAAFix
Aaon white
1.17:1failfailfail
  • AA: use #737906 as the text (4.7:1)
  • AAA: use #585c05 as the text (7.12:1)
  • AA: or shift the background to #6b6b6b (4.55:1)
  • AAA: or shift the background to #4d4d4d (7.22:1)
Aaon black
17.94:1passpasspassPasses 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 #eef651 as the background.

Brands using this color

mcpConnect your agent — build around #eef651
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 #eef651 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/eef651-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