black

#000000

#378D80

#378D80

Contrast Ratio

5.28:1

Delta E

60.77

Very Different

50:50 Mix

Color Values

Format #000000 #378D80
HEX #000000 #378D80
RGB 0, 0, 0 55, 141, 128
HSL 0.0, 0.0%, 0.0% 170.9, 43.9%, 38.4%
HSV 0.0, 0.0%, 0.0% 170.9, 61.0%, 55.3%
CMYK 0%, 0%, 0%, 100% 61.0%, 0.0%, 9.2%, 44.7%
OKLCH 0.0 0.0 0.0 0.5877 0.0847 181.7

Contrast & Accessibility

5.28:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #378D80 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #378D80

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #378D80);
background: linear-gradient(135deg, #000000, #378D80);

Explore Each Color

Related Comparisons