black

#000000

#21AFAB

#21AFAB

Contrast Ratio

7.78:1

Delta E

74.55

Very Different

50:50 Mix

Color Values

Format #000000 #21AFAB
HEX #000000 #21AFAB
RGB 0, 0, 0 33, 175, 171
HSL 0.0, 0.0%, 0.0% 178.3, 68.3%, 40.8%
HSV 0.0, 0.0%, 0.0% 178.3, 81.1%, 68.6%
CMYK 0%, 0%, 0%, 100% 81.1%, 0.0%, 2.3%, 31.4%
OKLCH 0.0 0.0 0.0 0.6841 0.1116 191.8

Contrast & Accessibility

7.78:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21AFAB β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #21AFAB

Color Difference (Delta E)

74.55 Very Different
0 β€” Identical 5 β€” Similar 25 β€” Noticeable 100 β€” Very Different

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21AFAB);
background: linear-gradient(135deg, #000000, #21AFAB);

Explore Each Color

Related Comparisons