black

#000000

#51CFBB

#51CFBB

Contrast Ratio

10.99:1

Delta E

85.68

Very Different

50:50 Mix

Color Values

Format #000000 #51CFBB
HEX #000000 #51CFBB
RGB 0, 0, 0 81, 207, 187
HSL 0.0, 0.0%, 0.0% 170.5, 56.8%, 56.5%
HSV 0.0, 0.0%, 0.0% 170.5, 60.9%, 81.2%
CMYK 0%, 0%, 0%, 100% 60.9%, 0.0%, 9.7%, 18.8%
OKLCH 0.0 0.0 0.0 0.7791 0.1149 180.9

Contrast & Accessibility

10.99:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #51CFBB → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #51CFBB

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

Related Comparisons