Color

#ff871f

#ff871f
hex#ff871f
rgbrgb(255, 135, 31)
hslhsl(28, 100%, 56%)
oklchoklch(0.743 0.177 54)
Closest name: Atomic Orange (#f88605)Relative luminance 0.3869

Tints & shades

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

Harmonies

Complementary

Open in tool →

#1f96ff

#ff1f26 · #fff81f

#1fff87 · #871fff

Split-complementary

Open in tool →

#1ffff8 · #1f26ff

#26ff1f · #1f96ff · #f81fff

Contrast

#ff871f as textRatioAAAA largeAAAFix
Aaon white
2.4:1failfailfail
  • AA: use #bd5800 as the text (4.61:1)
  • AAA: use #8f4300 as the text (7.07:1)
  • AA: or shift the background to #3d3d3d (4.52:1)
  • AAA: or shift the background to #1c1c1c (7.09:1)
Aaon black
8.74:1passpasspassPasses 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 #ff871f as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

Palettes built around it

Fonts for this mood

#ff871f reads as warm, vivid, playful. The font library is tagged with the same vocabulary:

mcpConnect your agent — build around #ff871f
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 #ff871f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/ff871f-c4b39c-62cbc9-2d2c1f-f1e9ea?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