A bold vermillion in mid-tone tones.

  • Commonly used for Call-to-action buttons, Promotional content, Beta features, Social sharing, and Entertainment elements
  • Used on the iPhone 17 Pro website (Cosmic Orange product highlight, featured finish).

Colour Values

HEX

#ff791b

RGB

255, 121, 27

HSL

25, 100, 55

OKLCH

oklch(72.22% 0.1873 48.40)

Contrast Analysis

Against White

2.62

Very poor

Against Black

8.00

Good

Matching Algorithm

Method

Using LAB colour space for perceptually accurate matching (CIE94 formula).

Distance

2.07

Excellent
Input Colour
Nearest Match
Distance: 2.07

Colour Combinations

Monochromatic

Complementary

Analogous

Triadic

Brand Palette

Primary brand color
orange-500
Brand accent
orange-500
Complementary accent
sky-500
Text & UI elements
slate-800
Backgrounds & borders
slate-200