black

#000000

#21AAAA

#21AAAA

Contrast Ratio

7.4:1

Delta E

72.43

Very Different

50:50 Mix

Color Values

Format #000000 #21AAAA
HEX #000000 #21AAAA
RGB 0, 0, 0 33, 170, 170
HSL 0.0, 0.0%, 0.0% 180.0, 67.5%, 39.8%
HSV 0.0, 0.0%, 0.0% 180.0, 80.6%, 66.7%
CMYK 0%, 0%, 0%, 100% 80.6%, 0.0%, 0.0%, 33.3%
OKLCH 0.0 0.0 0.0 0.6712 0.1084 194.9

Contrast & Accessibility

7.4:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21AAAA → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21AAAA

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

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