black

#000000

#378C21

#378C21

Contrast Ratio

4.94:1

Delta E

82.92

Very Different

50:50 Mix

Color Values

Format #000000 #378C21
HEX #000000 #378C21
RGB 0, 0, 0 55, 140, 33
HSL 0.0, 0.0%, 0.0% 107.7, 61.8%, 33.9%
HSV 0.0, 0.0%, 0.0% 107.7, 76.4%, 54.9%
CMYK 0%, 0%, 0%, 100% 60.7%, 0.0%, 76.4%, 45.1%
OKLCH 0.0 0.0 0.0 0.5666 0.1628 140.1

Contrast & Accessibility

4.94:1
AA Pass AA Large Pass AAA Fail AAA Large Pass

Text Readability

The quick brown fox jumps over the lazy dog

Text: #378C21 → Background: #000000

The quick brown fox jumps over the lazy dog

Text: #000000 → Background: #378C21

Color Difference (Delta E)

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

Gradient

Color Mixing

CSS Gradient Code

background: linear-gradient(to right, #000000, #378C21);
background: linear-gradient(135deg, #000000, #378C21);

Explore Each Color

Related Comparisons