black

#000000

#21B3B4

#21B3B4

Contrast Ratio

8.17:1

Delta E

75.83

Very Different

50:50 Mix

Color Values

Format #000000 #21B3B4
HEX #000000 #21B3B4
RGB 0, 0, 0 33, 179, 180
HSL 0.0, 0.0%, 0.0% 180.4, 69.0%, 41.8%
HSV 0.0, 0.0%, 0.0% 180.4, 81.7%, 70.6%
CMYK 0%, 0%, 0%, 100% 81.7%, 0.6%, 0.0%, 29.4%
OKLCH 0.0 0.0 0.0 0.6973 0.1132 195.6

Contrast & Accessibility

8.17:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21B3B4 β†’ Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 β†’ Background: #21B3B4

Color Difference (Delta E)

75.83 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, #21B3B4);
background: linear-gradient(135deg, #000000, #21B3B4);

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