black

#000000

#51DABF

#51DABF

Contrast Ratio

12.13:1

Delta E

90.51

Very Different

50:50 Mix

Color Values

Format #000000 #51DABF
HEX #000000 #51DABF
RGB 0, 0, 0 81, 218, 191
HSL 0.0, 0.0%, 0.0% 168.2, 64.9%, 58.6%
HSV 0.0, 0.0%, 0.0% 168.2, 62.8%, 85.5%
CMYK 0%, 0%, 0%, 100% 62.8%, 0.0%, 12.4%, 14.5%
OKLCH 0.0 0.0 0.0 0.8068 0.1246 177.4

Contrast & Accessibility

12.13:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #51DABF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #51DABF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

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

Explore Each Color

Related Comparisons