Color

#ffde38

#ffde38
hex#ffde38
rgbrgb(255, 222, 56)
hslhsl(50, 100%, 61%)
oklchoklch(0.902 0.172 97.1)
Closest name: Angel’s Trumpet (#f6dd34)Relative luminance 0.7379

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3859ff

#ff7a38 · #bdff38

#38ffde · #de38ff

Split-complementary

Open in tool →

#38bdff · #7a38ff

#38ff7a · #3859ff · #ff38bd

Contrast

#ffde38 as textRatioAAAA largeAAAFix
Aaon white
1.33:1failfailfail
  • AA: use #8a7300 as the text (4.63:1)
  • AAA: use #665500 as the text (7.33:1)
  • AA: or shift the background to #636363 (4.51:1)
  • AAA: or shift the background to #454545 (7.19:1)
Aaon black
15.76:1passpasspassPasses 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 #ffde38 as the background.

Brands using this color

Fonts for this mood

#ffde38 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ffde38
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 #ffde38 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ffde38-c4c29c-4eacdf-292d1f-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