Color

#fff93d

#fff93d
hex#fff93d
rgbrgb(255, 249, 61)
hslhsl(58, 100%, 62%)
oklchoklch(0.957 0.191 107.6)
Closest name: Biohazard Suit (#fbfb4c)Relative luminance 0.8935

Tints & shades

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

Harmonies

Complementary

Open in tool →

#3d44ff

#ff983d · #a5ff3d

#3dfff9 · #f93dff

Split-complementary

Open in tool →

#3da5ff · #983dff

#3dff98 · #3d44ff · #ff3da5

Contrast

#fff93d as textRatioAAAA largeAAAFix
Aaon white
1.11:1failfailfail
  • AA: use #7a7600 as the text (4.75:1)
  • AAA: use #5c5900 as the text (7.28:1)
  • AA: or shift the background to #6e6e6e (4.58:1)
  • AAA: or shift the background to #525252 (7.02:1)
Aaon black
18.87:1passpasspassPasses 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 #fff93d as the background.

Brands using this color

Fonts for this mood

#fff93d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #fff93d
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 #fff93d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fff93d-bcbea2-4e99df-282d1f-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