brandsweets

Color

#ecf320

#ecf320
hex#ecf320
rgbrgb(236, 243, 32)
hslhsl(62, 90%, 54%)
oklchoklch(0.928 0.2 111.9)
Closest name: Banana Bandanna (#f8f739)Relative luminance 0.8204
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
ecf3202720f3

#2720f3

Analogous

Open in tool →
ecf320f3912083f320

#f39120 · #83f320

Triadic

Open in tool →
ecf32020ecf3f320ec

#20ecf3 · #f320ec

Split-complementary

Open in tool →
ecf3202083f39120f3

#2083f3 · #9120f3

Tetradic

Open in tool →
ecf32020f3912720f3f32083

#20f391 · #2720f3 · #f32083

Contrast

#ecf320 as textRatioAAAA largeAAAFix
Aaon white
1.21:1failfailfail
  • AA: use #757906 as the text (4.67:1)
  • AAA: use #595c05 as the text (7.1:1)
  • AA: or shift the background to #696969 (4.55:1)
  • AAA: or shift the background to #4d4d4d (7.01:1)
Aaon black
17.41:1passpasspassPasses 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 #ecf320 as the background.

Brands using this color

mcpConnect your agent — build around #ecf320
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 #ecf320 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ecf320-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