Color

#ff5533

#ff5533
hex#ff5533
rgbrgb(255, 85, 51)
hslhsl(10, 100%, 60%)
oklchoklch(0.678 0.212 33.2)
Closest name: tomato (#ff6347)Relative luminance 0.28

Tints & shades

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

Harmonies

Complementary

Open in tool →

#33ddff

#ff3377 · #ffbb33

#33ff55 · #5533ff

Split-complementary

Open in tool →

#33ffbb · #3377ff

#77ff33 · #33ddff · #bb33ff

Contrast

#ff5533 as textRatioAAAA largeAAAFix
Aaon white
3.18:1failpassfail
  • AA: use #e62600 as the text (4.52:1)
  • AAA: use #ad1d00 as the text (7.11:1)
  • AA: or shift the background to #292929 (4.57:1)
Aaon black
6.6:1passpassfail
  • AAA: use #ff6242 as the text (7.08:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ff5533 as the background.

Brands using this color

Fonts for this mood

#ff5533 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff5533
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 #ff5533 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff5533-c4a79c-62cbaa-2d281f-f1e9ec?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