black

#000000

#21B5AE

#21B5AE

Contrast Ratio

8.29:1

Delta E

77.02

Very Different

50:50 Mix

Color Values

Format #000000 #21B5AE
HEX #000000 #21B5AE
RGB 0, 0, 0 33, 181, 174
HSL 0.0, 0.0%, 0.0% 177.2, 69.2%, 42.0%
HSV 0.0, 0.0%, 0.0% 177.2, 81.8%, 71.0%
CMYK 0%, 0%, 0%, 100% 81.8%, 0.0%, 3.9%, 29.0%
OKLCH 0.0 0.0 0.0 0.7002 0.1153 189.8

Contrast & Accessibility

8.29:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #21B5AE → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #21B5AE

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #21B5AE);
background: linear-gradient(135deg, #000000, #21B5AE);

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