Color

#cbef15

#cbef15
hex#cbef15
rgbrgb(203, 239, 21)
hslhsl(70, 87%, 51%)
oklchoklch(0.895 0.21 120.2)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.7448

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3a15ef

#efa615 · #5eef15

#15cbef · #ef15cb

Split-complementary

Open in tool →

#155eef · #a615ef

#15efa6 · #3a15ef · #ef155e

Contrast

#cbef15 as textRatioAAAA largeAAAFix
Aaon white
1.32:1failfailfail
  • AA: use #697c09 as the text (4.68:1)
  • AAA: use #515f07 as the text (7.02:1)
  • AA: or shift the background to #636363 (4.55:1)
  • AAA: or shift the background to #474747 (7.03:1)
Aaon black
15.9:1passpasspassPasses 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 #cbef15 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #cbef15
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 #cbef15 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cbef15-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