black

#000000

#21B3AB

#21B3AB

Contrast Ratio

8.1:1

Delta E

76.34

Very Different

50:50 Mix

Color Values

Format #000000 #21B3AB
HEX #000000 #21B3AB
RGB 0, 0, 0 33, 179, 171
HSL 0.0, 0.0%, 0.0% 176.7, 68.9%, 41.6%
HSV 0.0, 0.0%, 0.0% 176.7, 81.6%, 70.2%
CMYK 0%, 0%, 0%, 100% 81.6%, 0.0%, 4.5%, 29.8%
OKLCH 0.0 0.0 0.0 0.6942 0.1145 189.0

Contrast & Accessibility

8.1:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21B3AB → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21B3AB

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21B3AB);
background: linear-gradient(135deg, #000000, #21B3AB);

Explore Each Color

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