brandsweets

Color

#fdfd58

#fdfd58
hex#fdfd58
rgbrgb(253, 253, 88)
hslhsl(60, 98%, 67%)
oklchoklch(0.965 0.18 109.3)
Closest name: Canary (#fdff63)Relative luminance 0.9184
Vivid
Open in palette toolCheck contrast

Tints & shades

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

Harmonies

Complementary

Open in tool →
fdfd585858fd

#5858fd

Analogous

Open in tool →
fdfd58fdab58abfd58

#fdab58 · #abfd58

Triadic

Open in tool →
fdfd5858fdfdfd58fd

#58fdfd · #fd58fd

Split-complementary

Open in tool →
fdfd5858abfdab58fd

#58abfd · #ab58fd

Tetradic

Open in tool →
fdfd5858fdab5858fdfd58ab

#58fdab · #5858fd · #fd58ab

Contrast

#fdfd58 as textRatioAAAA largeAAAFix
Aaon white
1.08:1failfailfail
  • AA: use #797901 as the text (4.62:1)
  • AAA: use #5b5b01 as the text (7.14:1)
  • AA: or shift the background to #707070 (4.57:1)
  • AAA: or shift the background to #525252 (7.21:1)
Aaon black
19.37:1passpasspassPasses 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 #fdfd58 as the background.

Brands using this color

mcpConnect your agent — build around #fdfd58
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 #fdfd58 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/fdfd58-bbbea2-4e94df-272d1f-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