Color

#f0dc28

#f0dc28
hex#f0dc28
rgbrgb(240, 220, 40)
hslhsl(54, 87%, 55%)
oklchoklch(0.884 0.177 102.4)
Closest name: Angel’s Trumpet (#f6dd34)Relative luminance 0.6986

Tints & shades

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

Harmonies

Complementary

Open in tool →

#283cf0

#f07828 · #a0f028

#28f0dc · #dc28f0

Split-complementary

Open in tool →

#28a0f0 · #7828f0

#28f078 · #283cf0 · #f028a0

Contrast

#f0dc28 as textRatioAAAA largeAAAFix
Aaon white
1.4:1failfailfail
  • AA: use #817509 as the text (4.69:1)
  • AAA: use #5f5607 as the text (7.44:1)
  • AA: or shift the background to #5e5e5e (4.62:1)
  • AAA: or shift the background to #424242 (7.17:1)
Aaon black
14.97:1passpasspassPasses 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 #f0dc28 as the background.

Brands using this color

Fonts for this mood

#f0dc28 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #f0dc28
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 #f0dc28 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/f0dc28-bebea2-4ea2df-292d1f-f1ede9?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