brandsweets

Color

#ecf406

#ecf406
hex#ecf406
rgbrgb(236, 244, 6)
hslhsl(62, 95%, 49%)
oklchoklch(0.93 0.205 112.2)
Closest name: Banana Bandanna (#f8f739)Relative luminance 0.8255
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
ecf4060e06f4

#0e06f4

Analogous

Open in tool →
ecf406f4850675f406

#f48506 · #75f406

Triadic

Open in tool →
ecf40606ecf4f406ec

#06ecf4 · #f406ec

Split-complementary

Open in tool →
ecf4060675f48506f4

#0675f4 · #8506f4

Tetradic

Open in tool →
ecf40606f4850e06f4f40675

#06f485 · #0e06f4 · #f40675

Contrast

#ecf406 as textRatioAAAA largeAAAFix
Aaon white
1.2:1failfailfail
  • AA: use #737703 as the text (4.81:1)
  • AAA: use #575a02 as the text (7.32:1)
  • AA: or shift the background to #696969 (4.58:1)
  • AAA: or shift the background to #4d4d4d (7.05:1)
Aaon black
17.51:1passpasspassPasses 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 #ecf406 as the background.

Brands using this color

mcpConnect your agent — build around #ecf406
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 #ecf406 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ecf406-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