Color

#ccfc3b

#ccfc3b
hex#ccfc3b
rgbrgb(204, 252, 59)
hslhsl(75, 97%, 61%)
oklchoklch(0.926 0.211 123.2)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.8277

Tints & shades

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

Harmonies

Complementary

Open in tool →

#6b3bfc

#fccc3b · #6bfc3b

#3bccfc · #fc3bcc

Split-complementary

Open in tool →

#3b6bfc · #cc3bfc

#3bfccc · #6b3bfc · #fc3b6b

Contrast

#ccfc3b as textRatioAAAA largeAAAFix
Aaon white
1.2:1failfailfail
  • AA: use #5f7e02 as the text (4.7:1)
  • AAA: use #485f01 as the text (7.21:1)
  • AA: or shift the background to #696969 (4.59:1)
  • AAA: or shift the background to #4d4d4d (7.07:1)
Aaon black
17.55:1passpasspassPasses 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 #ccfc3b as the background.

Brands using this color

mcpConnect your agent — build around #ccfc3b
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 #ccfc3b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ccfc3b-b4bea2-4e70df-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