black

#000000

#51CDB0

#51CDB0

Contrast Ratio

10.71:1

Delta E

85.89

Very Different

50:50 Mix

Color Values

Format #000000 #51CDB0
HEX #000000 #51CDB0
RGB 0, 0, 0 81, 205, 176
HSL 0.0, 0.0%, 0.0% 166.0, 55.4%, 56.1%
HSV 0.0, 0.0%, 0.0% 166.0, 60.5%, 80.4%
CMYK 0%, 0%, 0%, 100% 60.5%, 0.0%, 14.1%, 19.6%
OKLCH 0.0 0.0 0.0 0.771 0.1182 174.9

Contrast & Accessibility

10.71:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #51CDB0 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #51CDB0

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #51CDB0);
background: linear-gradient(135deg, #000000, #51CDB0);

Explore Each Color

Related Comparisons