brandsweets

Color

#ecf32b

#ecf32b
hex#ecf32b
rgbrgb(236, 243, 43)
hslhsl(62, 89%, 56%)
oklchoklch(0.929 0.197 111.9)
Closest name: Banana Bandanna (#f8f739)Relative luminance 0.8211
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
ecf32b322bf3

#322bf3

Analogous

Open in tool →
ecf32bf3952b88f32b

#f3952b · #88f32b

Triadic

Open in tool →
ecf32b2becf3f32bec

#2becf3 · #f32bec

Split-complementary

Open in tool →
ecf32b2b88f3952bf3

#2b88f3 · #952bf3

Tetradic

Open in tool →
ecf32b2bf395322bf3f32b88

#2bf395 · #322bf3 · #f32b88

Contrast

#ecf32b as textRatioAAAA largeAAAFix
Aaon white
1.21:1failfailfail
  • AA: use #757807 as the text (4.72:1)
  • 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
17.42:1passpasspassPasses 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 #ecf32b as the background.

Brands using this color

mcpConnect your agent — build around #ecf32b
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 #ecf32b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ecf32b-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