Color

#cef316

#cef316
hex#cef316
rgbrgb(206, 243, 22)
hslhsl(70, 90%, 52%)
oklchoklch(0.906 0.213 120.3)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.7728

Colors that go with #cef316

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 →

#3b16f3

#f3a916 · #60f316

#16cef3 · #f316ce

Split-complementary

Open in tool →

#1660f3 · #a916f3

#16f3a9 · #3b16f3 · #f31660

Contrast

#cef316 as textRatioAAAA largeAAAFix
Aaon white
1.28:1failfailfail
  • AA: use #6a7e07 as the text (4.56:1)
  • AAA: use #4e5c05 as the text (7.35:1)
  • AA: or shift the background to #636363 (4.71:1)
  • AAA: or shift the background to #474747 (7.28:1)
Aaon black
16.46:1passpasspassPasses 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 #cef316 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 #cef316
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 #cef316 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cef316-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