black

#000000

#21A7AB

#21A7AB

Contrast Ratio

7.18:1

Delta E

71.14

Very Different

50:50 Mix

Color Values

Format #000000 #21A7AB
HEX #000000 #21A7AB
RGB 0, 0, 0 33, 167, 171
HSL 0.0, 0.0%, 0.0% 181.7, 67.6%, 40.0%
HSV 0.0, 0.0%, 0.0% 181.7, 80.7%, 67.1%
CMYK 0%, 0%, 0%, 100% 80.7%, 2.3%, 0.0%, 32.9%
OKLCH 0.0 0.0 0.0 0.664 0.1067 198.1

Contrast & Accessibility

7.18:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21A7AB → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21A7AB

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21A7AB);
background: linear-gradient(135deg, #000000, #21A7AB);

Explore Each Color

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