black

#000000

#81C9DA

#81C9DA

Contrast Ratio

11.3:1

Delta E

80.61

Very Different

50:50 Mix

Color Values

Format #000000 #81C9DA
HEX #000000 #81C9DA
RGB 0, 0, 0 129, 201, 218
HSL 0.0, 0.0%, 0.0% 191.5, 54.6%, 68.0%
HSV 0.0, 0.0%, 0.0% 191.5, 40.8%, 85.5%
CMYK 0%, 0%, 0%, 100% 40.8%, 7.8%, 0.0%, 14.5%
OKLCH 0.0 0.0 0.0 0.7945 0.0758 214.3

Contrast & Accessibility

11.3:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #81C9DA → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #81C9DA

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #81C9DA);
background: linear-gradient(135deg, #000000, #81C9DA);

Explore Each Color

Related Comparisons