Color

#cff623

#cff623
hex#cff623
rgbrgb(207, 246, 35)
hslhsl(71, 92%, 55%)
oklchoklch(0.913 0.212 120.8)
Closest name: Chartreuse (#c1f80a)Relative luminance 0.793

Colors that go with #cff623

Crimson, Plum and Violet 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 →

#4923f6

#f6b323 · #66f623

#23cff6 · #f623cf

Split-complementary

Open in tool →

#2366f6 · #b323f6

#23f6b3 · #4923f6 · #f62366

Contrast

#cff623 as textRatioAAAA largeAAAFix
Aaon white
1.25:1failfailfail
  • AA: use #697f05 as the text (4.53:1)
  • AAA: use #4d5d04 as the text (7.28:1)
  • AA: or shift the background to #666666 (4.61:1)
  • AAA: or shift the background to #4a4a4a (7.12:1)
Aaon black
16.86:1passpasspassPasses 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 #cff623 as the background.

Brands using this color

mcpConnect your agent — build around #cff623
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 #cff623 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/cff623-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