black

#000000

#63F7F3

#63F7F3

Contrast Ratio

16.13:1

Delta E

98.69

Very Different

50:50 Mix

Color Values

Format #000000 #63F7F3
HEX #000000 #63F7F3
RGB 0, 0, 0 99, 247, 243
HSL 0.0, 0.0%, 0.0% 178.4, 90.2%, 67.8%
HSV 0.0, 0.0%, 0.0% 178.4, 59.9%, 96.9%
CMYK 0%, 0%, 0%, 100% 59.9%, 0.0%, 1.6%, 3.1%
OKLCH 0.0 0.0 0.0 0.8962 0.1255 192.6

Contrast & Accessibility

16.13:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #63F7F3 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #63F7F3

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #63F7F3);
background: linear-gradient(135deg, #000000, #63F7F3);

Explore Each Color

Related Comparisons