Color

#ff5500

#ff5500
hex#ff5500
rgbrgb(255, 85, 0)
hslhsl(20, 100%, 50%)
oklchoklch(0.676 0.217 38.8)
Closest name: orangered (#ff4500)Relative luminance 0.2776

Tints & shades

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

Harmonies

Complementary

Open in tool →

#00aaff

#ff002b · #ffd500

#00ff55 · #5500ff

Split-complementary

Open in tool →

#00ffd5 · #002aff

#2bff00 · #00aaff · #d400ff

Contrast

#ff5500 as textRatioAAAA largeAAAFix
Aaon white
3.21:1failpassfail
  • AA: use #d14600 as the text (4.58:1)
  • AAA: use #9e3500 as the text (7.09:1)
  • AA: or shift the background to #292929 (4.54:1)
Aaon black
6.55:1passpassfail
  • AAA: use #ff6314 as the text (7.05:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ff5500 as the background.

Brands using this color

Fonts for this mood

#ff5500 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff5500
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 #ff5500 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff5500-c4ae9c-62cbbb-2d2a1f-f1e9eb?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