Color

#cbf915

#cbf915
hex#cbf915
rgbrgb(203, 249, 21)
hslhsl(72, 95%, 53%)
oklchoklch(0.917 0.22 122.3)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.805

Tints & shades

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

Harmonies

Complementary

Open in tool →

#4315f9

#f9b515 · #5af915

#15cbf9 · #f915cb

Split-complementary

Open in tool →

#155af9 · #b515f9

#15f9b5 · #4315f9 · #f9155a

Contrast

#cbf915 as textRatioAAAA largeAAAFix
Aaon white
1.23:1failfailfail
  • AA: use #647c03 as the text (4.74:1)
  • AAA: use #4c5e02 as the text (7.22:1)
  • AA: or shift the background to #666666 (4.68:1)
  • AAA: or shift the background to #4a4a4a (7.22:1)
Aaon black
17.1:1passpasspassPasses 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 #cbf915 as the background.

Brands using this color

mcpConnect your agent — build around #cbf915
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 #cbf915 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cbf915-b5bea2-4e77df-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