black

#000000

RAL 2009 Traffic Orange

#F54021

Contrast Ratio

5.64:1

Delta E

103.95

Very Different

50:50 Mix

Color Values

Format #000000 #F54021
HEX #000000 #F54021
RGB 0, 0, 0 245, 64, 33
HSL 0.0, 0.0%, 0.0% 8.8, 91.4%, 54.5%
HSV 0.0, 0.0%, 0.0% 8.8, 86.5%, 96.1%
CMYK 0%, 0%, 0%, 100% 0.0%, 73.9%, 86.5%, 3.9%
OKLCH 0.0 0.0 0.0 0.64 0.2213 32.1

Contrast & Accessibility

5.64:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #F54021 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #F54021

Color Difference (Delta E)

103.95 Very Different
0 — Identical 5 — Similar 25 — Noticeable 100 — Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #F54021);
background: linear-gradient(135deg, #000000, #F54021);

Explore Each Color

Related Comparisons