Color

#cffa33

#cffa33
hex#cffa33
rgbrgb(207, 250, 51)
hslhsl(73, 95%, 59%)
oklchoklch(0.923 0.211 121.9)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.8188

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5e33fa

#fac133 · #6bfa33

#33cffa · #fa33cf

Split-complementary

Open in tool →

#336bfa · #c133fa

#33fac1 · #5e33fa · #fa336b

Contrast

#cffa33 as textRatioAAAA largeAAAFix
Aaon white
1.21:1failfailfail
  • AA: use #627c03 as the text (4.77:1)
  • AAA: use #4b5e02 as the text (7.24:1)
  • AA: or shift the background to #696969 (4.54:1)
  • AAA: or shift the background to #4a4a4a (7.33:1)
Aaon black
17.38:1passpasspassPasses 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 #cffa33 as the background.

Brands using this color

mcpConnect your agent — build around #cffa33
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 #cffa33 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cffa33-b5bea2-4e75df-242d1f-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