Color

#ffd23f

#ffd23f
hex#ffd23f
rgbrgb(255, 210, 63)
hslhsl(46, 100%, 62%)
oklchoklch(0.879 0.162 90.9)
Closest name: Anna Banana (#f5d547)Relative luminance 0.6771

Colors that go with #ffd23f

Charcoal, Cornflower Blue and Deep Sky Blue 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 →

#3d6aff

#ff713d · #cbff3d

#3dffd2 · #d23dff

Split-complementary

Open in tool →

#3dcbff · #713dff

#3dff71 · #3d6aff · #ff3dcb

Contrast

#ffd23f as textRatioAAAA largeAAAFix
Aaon white
1.44:1failfailfail
  • AA: use #947100 as the text (4.54:1)
  • AAA: use #6b5200 as the text (7.42:1)
  • AA: or shift the background to #5c5c5c (4.63:1)
  • AAA: or shift the background to #404040 (7.18:1)
Aaon black
14.54:1passpasspassPasses 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 #ffd23f as the background.

Brands using this color

Palettes built around it

Fonts for this mood

#ffd23f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ffd23f
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 #ffd23f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ffd23f-c4bf9c-62adcb-2a2d1f-f1ece9?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