black

#000000

#51F2FD

#51F2FD

Contrast Ratio

15.47:1

Delta E

97.41

Very Different

50:50 Mix

Color Values

Format #000000 #51F2FD
HEX #000000 #51F2FD
RGB 0, 0, 0 81, 242, 253
HSL 0.0, 0.0%, 0.0% 183.8, 97.7%, 65.5%
HSV 0.0, 0.0%, 0.0% 183.8, 68.0%, 99.2%
CMYK 0%, 0%, 0%, 100% 68.0%, 4.3%, 0.0%, 0.8%
OKLCH 0.0 0.0 0.0 0.8834 0.1312 201.7

Contrast & Accessibility

15.47:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #51F2FD → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #51F2FD

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #51F2FD);
background: linear-gradient(135deg, #000000, #51F2FD);

Explore Each Color

Related Comparisons