black

#000000

#378B2D

#378B2D

Contrast Ratio

4.89:1

Delta E

79.2

Very Different

50:50 Mix

Color Values

Format #000000 #378B2D
HEX #000000 #378B2D
RGB 0, 0, 0 55, 139, 45
HSL 0.0, 0.0%, 0.0% 113.6, 51.1%, 36.1%
HSV 0.0, 0.0%, 0.0% 113.6, 67.6%, 54.5%
CMYK 0%, 0%, 0%, 100% 60.4%, 0.0%, 67.6%, 45.5%
OKLCH 0.0 0.0 0.0 0.5649 0.1535 141.6

Contrast & Accessibility

4.89:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #378B2D → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #378B2D

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #378B2D);
background: linear-gradient(135deg, #000000, #378B2D);

Explore Each Color

Related Comparisons