Color

#ff4f38

#ff4f38
hex#ff4f38
rgbrgb(255, 79, 56)
hslhsl(7, 100%, 61%)
oklchoklch(0.672 0.216 30.8)
Closest name: orangered (#ff4500)Relative luminance 0.2714

Tints & shades

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

Harmonies

Complementary

Open in tool →

#38e8ff

#ff3884 · #ffb338

#38ff4f · #4f38ff

Split-complementary

Open in tool →

#38ffb3 · #3884ff

#84ff38 · #38e8ff · #b338ff

Contrast

#ff4f38 as textRatioAAAA largeAAAFix
Aaon white
3.27:1failpassfail
  • AA: use #e61b00 as the text (4.64:1)
  • AAA: use #ad1400 as the text (7.3:1)
  • AA: or shift the background to #262626 (4.63:1)
Aaon black
6.43:1passpassfail
  • AAA: use #ff614d as the text (7.07:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #ff4f38 as the background.

Brands using this color

Fonts for this mood

#ff4f38 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff4f38
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 #ff4f38 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff4f38-c4a59c-62cba4-2d271f-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