black

#000000

#AA631F

#AA631F

Contrast Ratio

4.51:1

Delta E

72.54

Very Different

50:50 Mix

Color Values

Format #000000 #AA631F
HEX #000000 #AA631F
RGB 0, 0, 0 170, 99, 31
HSL 0.0, 0.0%, 0.0% 29.4, 69.2%, 39.4%
HSV 0.0, 0.0%, 0.0% 29.4, 81.8%, 66.7%
CMYK 0%, 0%, 0%, 100% 0.0%, 41.8%, 81.8%, 33.3%
OKLCH 0.0 0.0 0.0 0.5688 0.1205 59.2

Contrast & Accessibility

4.51:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #AA631F → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #AA631F

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #AA631F);
background: linear-gradient(135deg, #000000, #AA631F);

Explore Each Color

Related Comparisons