black

#000000

#57CDBF

#57CDBF

Contrast Ratio

10.89:1

Delta E

84.1

Very Different

50:50 Mix

Color Values

Format #000000 #57CDBF
HEX #000000 #57CDBF
RGB 0, 0, 0 87, 205, 191
HSL 0.0, 0.0%, 0.0% 172.9, 54.1%, 57.3%
HSV 0.0, 0.0%, 0.0% 172.9, 57.6%, 80.4%
CMYK 0%, 0%, 0%, 100% 57.6%, 0.0%, 6.8%, 19.6%
OKLCH 0.0 0.0 0.0 0.7774 0.108 184.6

Contrast & Accessibility

10.89:1
AA Pass AA Large Pass AAA Pass AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #57CDBF → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #57CDBF

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #57CDBF);
background: linear-gradient(135deg, #000000, #57CDBF);

Explore Each Color

Related Comparisons