Color

#cefb2d

#cefb2d
hex#cefb2d
rgbrgb(206, 251, 45)
hslhsl(73, 96%, 58%)
oklchoklch(0.924 0.215 122.2)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.8231

Tints & shades

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

Harmonies

Complementary

Open in tool →

#5a2dfb

#fbc02d · #67fb2d

#2dcefb · #fb2dce

Split-complementary

Open in tool →

#2d67fb · #c02dfb

#2dfbc0 · #5a2dfb · #fb2d67

Contrast

#cefb2d as textRatioAAAA largeAAAFix
Aaon white
1.2:1failfailfail
  • AA: use #627d03 as the text (4.71:1)
  • AAA: use #4b5f02 as the text (7.15:1)
  • AA: or shift the background to #696969 (4.56:1)
  • AAA: or shift the background to #4d4d4d (7.03:1)
Aaon black
17.46:1passpasspassPasses 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 #cefb2d as the background.

Brands using this color

mcpConnect your agent — build around #cefb2d
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 #cefb2d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cefb2d-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