Color

#cef32b

#cef32b
hex#cef32b
rgbrgb(206, 243, 43)
hslhsl(71, 89%, 56%)
oklchoklch(0.906 0.207 120.5)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.774

Colors that go with #cef32b

Blue, Crimson and Red lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.

Tints & shades

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

Harmonies

Complementary

Open in tool →

#502bf3

#f3b32b · #6af32b

#2bcef3 · #f32bce

Split-complementary

Open in tool →

#2b6af3 · #b32bf3

#2bf3b3 · #502bf3 · #f32b6a

Contrast

#cef32b as textRatioAAAA largeAAAFix
Aaon white
1.27:1failfailfail
  • AA: use #687d07 as the text (4.64:1)
  • AAA: use #4c5c05 as the text (7.39:1)
  • AA: or shift the background to #666666 (4.51:1)
  • AAA: or shift the background to #474747 (7.29:1)
Aaon black
16.48:1passpasspassPasses 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 #cef32b 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 #cef32b
live endpoint

Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

›analyze #cef32b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cef32b-b6bea2-4e7adf-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