Color

#cbfc1d

#cbfc1d
hex#cbfc1d
rgbrgb(203, 252, 29)
hslhsl(73, 97%, 55%)
oklchoklch(0.924 0.222 123)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.8241

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4d1dfc

#fcbc1d · #5cfc1d

#1dcbfc · #fc1dcb

Split-complementary

Open in tool →

#1d5cfc · #bc1dfc

#1dfcbc · #4d1dfc · #fc1d5c

Contrast

#cbfc1d as textRatioAAAA largeAAAFix
Aaon white
1.2:1failfailfail
  • AA: use #637e02 as the text (4.65:1)
  • AAA: use #4b5f01 as the text (7.15:1)
  • AA: or shift the background to #696969 (4.57:1)
  • AAA: or shift the background to #4d4d4d (7.04:1)
Aaon black
17.48:1passpasspassPasses 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 #cbfc1d as the background.

Brands using this color

mcpConnect your agent — build around #cbfc1d
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 #cbfc1d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cbfc1d-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