brandsweets

Color

#cef604

#cef604
hex#cef604
rgbrgb(206, 246, 4)
hslhsl(70, 97%, 49%)
oklchoklch(0.912 0.218 120.9)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.7904
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
cef6042c04f6

#2c04f6

Analogous

Open in tool →
cef604f6a50455f604

#f6a504 · #55f604

Triadic

Open in tool →
cef60404cef6f604ce

#04cef6 · #f604ce

Split-complementary

Open in tool →
cef6040455f6a504f6

#0455f6 · #a504f6

Tetradic

Open in tool →
cef60404f6a52c04f6f60455

#04f6a5 · #2c04f6 · #f60455

Contrast

#cef604 as textRatioAAAA largeAAAFix
Aaon white
1.25:1failfailfail
  • AA: use #697e02 as the text (4.58:1)
  • AAA: use #505f01 as the text (7.05:1)
  • AA: or shift the background to #666666 (4.6:1)
  • AAA: or shift the background to #4a4a4a (7.09:1)
Aaon black
16.81:1passpasspassPasses 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 #cef604 as the background.

Brands using this color

mcpConnect your agent — build around #cef604
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 #cef604 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cef604-b6bea2-4e7cdf-252d1f-f1efe9?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