brandsweets

Color

#ecef2a

#ecef2a
hex#ecef2a
rgbrgb(236, 239, 42)
hslhsl(61, 86%, 55%)
oklchoklch(0.92 0.193 110.6)
Closest name: Banana Bombshell (#f7e82e)Relative luminance 0.7973
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

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ecef2a2d2aef

#2d2aef

Analogous

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ecef2aef902a89ef2a

#ef902a · #89ef2a

Triadic

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ecef2a2aecefef2aec

#2aecef · #ef2aec

Split-complementary

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ecef2a2a89ef902aef

#2a89ef · #902aef

Tetradic

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ecef2a2aef902d2aefef2a89

#2aef90 · #2d2aef · #ef2a89

Contrast

#ecef2a as textRatioAAAA largeAAAFix
Aaon white
1.24:1failfailfail
  • AA: use #797b09 as the text (4.52:1)
  • AAA: use #595a07 as the text (7.27:1)
  • AA: or shift the background to #666666 (4.63:1)
  • AAA: or shift the background to #4a4a4a (7.15:1)
Aaon black
16.95:1passpasspassPasses 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 #ecef2a as the background.

Brands using this color

mcpConnect your agent — build around #ecef2a
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 #ecef2a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ecef2a-babea2-4e92df-272d1f-f1ede9?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