black

#000000

#63CCDC

#63CCDC

Contrast Ratio

11.2:1

Delta E

82.74

Very Different

50:50 Mix

Color Values

Format #000000 #63CCDC
HEX #000000 #63CCDC
RGB 0, 0, 0 99, 204, 220
HSL 0.0, 0.0%, 0.0% 187.9, 63.4%, 62.5%
HSV 0.0, 0.0%, 0.0% 187.9, 55.0%, 86.3%
CMYK 0%, 0%, 0%, 100% 55.0%, 7.3%, 0.0%, 13.7%
OKLCH 0.0 0.0 0.0 0.789 0.0993 208.6

Contrast & Accessibility

11.2:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #63CCDC → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #63CCDC

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #63CCDC);
background: linear-gradient(135deg, #000000, #63CCDC);

Explore Each Color

Related Comparisons